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901 lines
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901 lines
52 KiB
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<tr><td class="hdrl"> Elliott Sound Products</td>
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<td align="right" class="hdrr">Site Map </td></tr></table>
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<h1>ESP Site Map</h1>
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<p align="center">All Material © 1998-2024 Rod Elliott (ESP)<br />
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<small>Copyright For Each Individual Article Is Shown At The End Of Each Page<br />
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Page Last Updated - September 2024</small></p>
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<p align="center" class="t_12b">Articles are sorted alphabetically within categories (also in alphabetical order). All projects are in numerical order.</p>
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<option value="index.html">Main Index</option>
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<option value="articles.htm">Articles Index</option>
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<option value="p-list.htm">Projects Index (By Number)</option>
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<option value="projects-0.htm">Projects Index (By Category)</option>
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<option value="valves/index.html">Valves Index</option>
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<option value="appnotes/index.html">Application Notes Index</option>
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<option value="purchase.htm">Purchase Information</option>
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<option value="clocks/index.html">Clocks Index</option>
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<option value="contact.htm">Contact ESP</option>
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<option value="lamps/index.html">Lamps & Energy Index</option>
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<option value="tcaas/index-0.htm">TCAAS (The Class-A Amplifier Site) Index</option>
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<option value="counterfeit.htm">Counterfeit Devices</option>
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<option value="philosophy.htm">ESP Philosophy</option>
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<option value="ethics.htm">Privacy & Ethics</option>
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<option value="spam.htm">Spam, Scams & Security</option>
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<option value="contrib.htm">Submit Audio Designs For Publication</option>
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<option value="download.htm">Downloads</option>
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<option value="faq.htm">FAQs</option>
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<option value="u-and-m.htm">Useful & Miscellaneous</option>
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<option value="why-diy.htm">Why DIY?</option>
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</center>
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<hr width="90%" />
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<table style="width:90%;" align="center">
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<tr><td width="49%"><b>Indexes</b><hr />
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</table>
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<table style="width:90%;" align="center">
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<tr><td width="49%"><br />
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<a href="index.html">Main Index</a><br />
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<a href="articles.htm">Articles Index</a><br />
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<a href="projects.htm">Projects Index</a><br />
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<br /><hr /><b>Articles</b><hr />
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<a href="articles/555-timer.htm">555 Timer Applications</a><br />
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<a href="articles/6db-xover.htm">6dB Speaker Crossovers</a><br />
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<a href="articles/active-filters.htm">Active Filters</a><br />
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<a href="biamp-vs-passive.htm">Active Vs. Passive Crossovers</a><br />
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<a href="absw.htm">A-B Blind Comparator</a><br />
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<a href="abx-tester.htm">ABX Test Set</a><br />
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<a href="articles/acoustic-feedback.htm">Acoustic Feedback & Frequency Shifting</a><br />
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<a href="articles/gyrator-filters.htm">Active Filters Using Gyrators</a><br />
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<a href="articles/am-radio.htm">AM Radio - Wideband/ Hi-Fi</a><br />
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<a href="articles/am-modulation.htm">Amplitude Modulation For Simulations</a><br />
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<a href="amp-basics.htm">Amplifier Basics - Intro</a><br />
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<a href="amp-basics1.htm">Amplifier Basics - Part 1</a><br />
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<a href="amp-basics2.htm">Amplifier Basics - Part 2</a><br />
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<a href="amp-basics3.htm">Amplifier Basics - Part 3</a><br />
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<a href="amp-basics4.htm">Amplifier Basics - Part 4</a><br />
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<a href="amp-basics5.htm">Amplifier Basics - Part 5</a><br />
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<a href="amp-basics6.htm">Amplifier Basics - Part 6</a><br />
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<a href="bridging.htm">Amplifier Bridging</a><br />
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<a href="articles/amp-classes.htm">Amplifier Classes - Class-A, Class-B, etc.</a><br />
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<a href="amp_design.htm">Amplifier Design</a><br />
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<a href="efficiency.htm">Amplifier Efficiency</a><br />
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<a href="articles/amp-power.htm">Amplifier Power - How much do you need</a><br />
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<a href="troubleshooting.htm">Amplifier Troubleshooting</a><br />
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<a href="articles/troubleshoot2.htm">Amplifier Troubleshooting - Part 2</a><br />
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<a href="vi.htm">Amplifier Protection</a><br />
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<a href="amp-sound.htm">Amplifier Sound</a><br />
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<a href="articles/arc-prevention.htm">Arc Prevention For Switching Circuits</a><br />
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<a href="articles/analogue-vs-digital.htm">Analogue Vs. Digital</a><br />
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<a href="articles/a-weighting.html">A-Weighting (and why it's wrong)</a><br />
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<br /><a href="bafflestep.htm">Baffle Step EQ</a><br />
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<a href="balance.htm">Balanced Circuits</a><br />
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<a href="articles/balanced-2.htm">Balanced Circuits Part II</a><br />
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<a href="articles/balanced-io.htm">Balanced Circuits Part III</a><br />
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<a href="articles/balanced-4.htm">Balanced Circuits Part IV</a><br />
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<a href="beginners.htm">Beginners Guide to Components</a><br />
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<a href="bi-amp.htm">Bi-Amplification (Part I)</a><br />
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<a href="bi-amp2.htm">Bi-Amplification (Part II)</a><br />
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<a href="articles/bjt-parameters.htm">BJT Parameters</a><br />
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<a href="articles/bleeders.htm">Bleeder Resistors in PSUs</a><br />
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<a href="articles/bootstrap.htm">Bootstrap Circuits</a><br />
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<a href="articles/buck-xfmr.htm">Bucking Transformers</a><br />
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<a href="bulletinboards.htm">Bulletin Boards</a><br />
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<a href="articles/buyingparts.htm">Buying Electronic Components</a><br />
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<br /><a href="cables.htm">Cables - Part 1</a><br />
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<a href="cables-p2.htm">Cables - Part 2</a><br />
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<a href="cables-p3.htm">Cables - Part 3</a><br />
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<a href="cables-p4.htm">Cables - Part 4</a><br />
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<a href="cables-p5.htm">Cables - Part 5</a><br />
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<a href="cables-p6.htm">Cables - Part 6</a><br />
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<a href="cable-z.htm">Cable Impedance</a><br />
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<a href="cablewhitepaper.htm">Cable Information</a><br />
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<a href="articles/capacitors.htm">Capacitors in Depth</a><br />
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<a href="articles/cap-coupling.htm">Capacitor Coupling In Output Stages</a><br />
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<a href="articles/cap-multiplier.htm">Capacitance Multipliers</a><br />
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<a href="articles/line-amps.html">Commercial Sound (70-100V Lines)</a><br />
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<a href="articles/cmpd-vs-darl.htm">Compound (Sziklai) Vs. Darlington pairs</a><br />
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<a href="articles/comparators.htm">Comparators - The Unsung Heroes Of Electronics</a><br />
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<a href="articles/coupling-caps.htm">Coupling Capacitors</a><br />
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<a href="articles/coax.htm">COAX - Introduction To Coaxial Cables</a><br />
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<a href="articles/current-drive.htm">Current Drive Power Amps & Effects on Speaker Drivers</a><br />
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<a href="cd-sacd-dvda.htm">CD Vs. SACD Vs. DVDA</a><br />
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<a href="class-a.htm">Class-A Amplifiers</a><br />
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<a href="class-a.htm">Class-A Amplifiers - Part 2</a><br />
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<a href="articles/pwm.htm">Class-D Amplifier Theory & Design</a><br />
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<a href="articles/class-d2.htm">Class-D Amplifiers (Part II)</a><br />
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<a href="articles/class-g.htm">Class-G Amplifiers</a><br />
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<a href="articles/cscaling.htm">Compliance Scaling Loudspeakers</a><br />
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<br /><a href="compression.htm">Compression in Audio</a><br />
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<a href="counterfeit.htm">Counterfeit Transistors</a><br />
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<a href="articles/crossover-distortion.htm">Crossover Distortion</a><br />
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<a href="articles/cfb-vs-vfb.htm">CFB Vs. VFB (Current Vs Voltage Feedback)</a><br />
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<a href="articles/current-monitors.htm">Current Monitors - Detection & Measurement</a><br />
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<a href="ism.htm">Current Sources, Sinks & Mirrors</a><br />
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<br /><a href="articles/dangerous.htm">Dangerous Power Supplies</a><br />
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<a href="articles/dc-servo.htm">DC Servos - Tips, Traps & Applications</a><br />
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<a href="articles/derived-xovers.htm">Derived (Subtractive) Crossover Networks</a><br />
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<a href="dwopa.htm">Designing with Opamps - Part 1</a><br />
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<a href="dwopa2.htm">Designing with Opamps - Part 2</a><br />
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<a href="articles/dwopa3.htm">Designing with Opamps - Part 3</a><br />
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<a href="articles/distortion+fb.htm">Distortion & Negative Feedback</a><br />
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<a href="articles/distortion.htm">Distortion - What It Is, How It's Measured</a><br />
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<a href="doppler.htm">Doppler distortion in Loudspeakers</a><br />
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<a href="articles/dsp.htm">DSP - Digital Signal Processing in Audio</a><br />
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<br /><a href="earthing.htm">Earthing (Grounding) Techniques</a><br />
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<a href="articles/mic-electret.htm">Electret Microphones, Powering & Uses</a><br />
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<a href="tools.htm">Electronics Tools</a><br />
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<a href="articles/electrocution.htm">Electrocution & How To Avoid It</a><br />
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<a href="articles/mic-electret.htm">Electret Microphones</a><br />
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<a href="articles/e-fuses.htm">Electronic Fuses</a><br />
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<a href="articles/eq.htm">Equalisation & How It Works</a><br />
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<a href="articles/esd-protection.htm">ESD Protection</a><br />
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<a href="articles/essential.htm">Essential Formulae For Electronics</a><br />
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<a href="articles/external-psu.htm">External Power Supplies - New Regulations</a><br />
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<br /><a href="articles/fet-applications.htm">FET Applications</a><br />
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<a href="articles/jfet-design.htm">FET Circuit Design Process</a><br />
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<a href="articles/followers.html">Followers & Buffers, Various Techniques Examined</a><br />
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<a href="articles/fadb.htm">Frequency, Amplitude and dB</a><br />
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<a href="articles/fusing.htm">Fusing & Circuit Protection</a><br />
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<br /><a href="glossary.htm">Glossary of Terms</a><br />
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<a href="articles/guitar-amps.htm">Guitar Amps - Repair or Replace</a><br />
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<a href="articles/guitar-speakers.htm">Guitar Speakers - Getting 'the sound'</a><br />
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<a href="articles/guitar-voltage.htm">Guitar Pickup Voltages</a><br />
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<br /><a href="heatsinks.htm">Heatsinks</a><br />
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<a href="articles/heatsink-amp.htm">Heatsinks - Selection For Amplifiers</a><br />
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<!--a href="pcb/heatsink.htm">Heatsink - ESP Extrusion</a><br /-->
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<a href="articles/diy-heatsink.htm">Heatsinks - DIY</a><br />
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<a href="articles/hexfet.htm">HEXFET Audio Amplifiers</a><br />
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<a href="highspeed.htm">High Speed Opamps</a><br />
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<a href="articles/hybrid-relays.htm">Hybrid Relays</a><br />
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<br />
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<a href="articles/ic+boost.htm">IC Power Amplifiers - more power by adding transistors</a><br />
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<a href="impedanc.htm">Impedance</a><br />
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<a href="articles/z-compensation.htm">Impedance Compensation for Loudspeakers</a><br />
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<a href="z-effects.htm">Impedance Effects</a><br />
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<a href="articles/lc-oscillators.htm">Inductor/ Capacitor Oscillators</a><br />
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<a href="instamps.htm">Instrument Amplifiers</a><br />
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<a href="articles/intermodulation.htm">Intermodulation Distortion - sum & difference frequencies</a><br />
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<a href="articles/intermodulation2.htm">Intermodulation Distortion - measurement techniques & effects</a><br />
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<a href="articles/incandescent.htm">Incandescent Lamp Ban</a><br />
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<a href="articles/inrush.htm">Inrush Current Mitigation</a><br />
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<a href="pots.htm">Introduction to Potentiometers</a><br />
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<a href="articles/inrush-testing.htm">Inrush Current Testing</a><br />
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<a href="articles/inverters.htm">Inverters - different types explained</a><br />
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<br /><a href="jll_hood.htm">JLL Hood Class-A Amp</a><br />
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<a href="linkwitz-transform.htm">Linkwitz Transform</a><br />
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<a href="articles/ldo-regulators.htm">LDO (Low Dropout) Voltage Regulators</a><br />
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<a href="articles/lithium-charging.htm">Lithium Cell Charging & Battery Management</a><br />
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<a href="articles/lm358.htm">LM358/ LM324 Opamp Distortion Reduction</a><br />
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<a href="articles/lock-in-amps.htm">Lock-In Amplifiers</a><br />
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<a href="articles/logic.htm">Logic - A Beginners Guide</a><br />
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<a href="articles/crossover-tables.htm">Loudspeaker Crossover Design Tables</a><br />
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<a href="articles/ac-offset.htm">Loudspeaker Acoustic Centre Offset</a><br />
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<a href="articles/enclosures.htm">Loudspeaker Enclosure Design Guidelines</a><br />
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<a href="articles/l-pad-calc.htm">Loudspeaker L-Pad Calculations</a><br />
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<a href="articles/pwr-vs-eff.htm">Loudspeaker Power vs. Efficiency</a><br />
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<br />
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<a href="articles/mains-quality.htm">Mains Power Quality</a><br />
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<a href="articles/mains-safety.htm">Mains Safety (Essential Reading)</a><br />
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<a href="articles/maths-functions.htm">Mathematical Functions Using Analogue Circuits</a><br />
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<a href="articles/meter-atten.htm">Meter Attenuators</a><br />
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<a href="articles/meters.htm">Meters, Multipliers & Shunts</a><br />
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<a href="articles/microphones.htm">Microphones</a><br />
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<a href="articles/microphones-2.htm">Microphones (Part II)</a><br />
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<a href="articles/mic-splitting.htm">Microphone Signal Splitters</a><br />
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<a href="miscc.htm">Miscellaneous Components</a><br />
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<a href="articles/audio-mixing.htm">Mixing Principles, Active & Passive</a><br />
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<a href="articles/mosfet-relay.htm">MOSFET Relays</a><br />
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<a href="articles/morse-code.htm">Morse Code</a><br />
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<a href="articles/motors.htm">Motors - AC and DC</a><br />
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<a href="articles/multimeters.htm">Multimeters - Analogue & Digital</a><br />
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<a href="articles/myths.html">Myths in Audio</a><br />
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<br /><a href="articles/negative-z.htm">Negative Impedance</a><br />
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<a href="articles/ntm-xover.htm">Neville Thiele Method (NTM™) Crossovers</a><br />
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<a href="noise.htm">Noise in Audio Circuits</a><br />
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<a href="articles/notch-filters.htm">Notch Filters</a><br />
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<br /><a href="articles/smps2.htm">Off-Line Flyback Power Supplies</a><br />
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<a href="no-opamps.htm">Opamp Alternative Circuits</a><br />
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<a href="articles/opamp-history.htm">Opamp History</a><br />
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<a href="articles/frequency-vs-gain.htm">Opamps - Frequency Vs. Gain & Slew Rate</a><br />
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<a href="articles/oscilloscope.htm">Oscilloscopes. How They Work And Usage</a><br />
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<a href="articles/overvoltage.htm">Over-Voltage Protection</a><br />
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<br /><a href="https://sound-au.com/articles/articles-psu.htm">Power Supply Design Index</a><br />
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<a href="lr-passive.htm">Passive Crossovers</a><br />
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<a href="articles/patents.htm">Patents - General Information</a><br />
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<a href="articles/pllxo.htm">Passive Line Level Crossovers</a><br />
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<a href="articles/p-48.htm">Phantom Power - What It Is And How It Works</a><br />
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<a href="patd.htm">Phase Angle Vs. Transistor Dissipation</a><br />
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<a href="pcmm.htm">Phase Correction - Myth or Magic?</a><br />
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<a href="ptd.htm">Phase, Time & Distortion</a><br />
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<a href="articles/phone-jacks.htm">Phone Plugs and Sockets</a><br />
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<a href="clipping.htm">Power Amplifier Clipping Behaviour</a><br />
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<a href="articles/pwr-amp-dev.htm">Power Amplifier Development Over The Years</a><br />
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<a href="power.htm">Power Ratings</a><br />
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<a href="power-supplies.htm">Power Supply Design</a><br />
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<a href="articles/psu-simulation.htm">Power Supply Simulation</a><br />
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<a href="articles/psu-snubber.htm">Power Supply Snubbers</a><br />
|
|
<a href="articles/psu-snubber2.htm">Power Supply Snubbers II</a><br />
|
|
<a href="articles/power-supply-4.htm">Power Supply Design (Part II)</a><br />
|
|
<a href="articles/preregulators.htm">Pre-Regulators</a><br />
|
|
<a href="articles/sustainability.htm">Projects, DIY & Sustainability</a><br />
|
|
|
|
<br />
|
|
<a href="articles/rectifiers.htm">Rectifiers - Selection & Usage</a><br />
|
|
<a href="articles/relays.htm">Relays - Part 1</a><br />
|
|
<a href="articles/relays2.htm">Relays - Part 2</a><br />
|
|
<a href="articles/relays3.htm">Relays - Part 3</a><br />
|
|
<a href="articles/reverb.htm">Reverberation Tanks</a><br />
|
|
<a href="hfr_be.htm">Review of BE Valve Amplifier</a><br />
|
|
|
|
<br /><a href="qb5align.htm">Satellites & Subs (QB5 Alignment)</a><br />
|
|
<a href="soa.htm">Safe Operating Area (SOA)</a><br />
|
|
<a href="articles/sinewave.htm">Sinewave Oscillators - Characteristics, Topologies, Examples</a><br />
|
|
<a href="articles/servos.htm">Servos - Hobby Servos, ESCs And Tachometers</a><br />
|
|
<a href="subcon.htm">(The) Subwoofer Conundrum</a><br />
|
|
<a href="parallel-series.htm">Series vs. Parallel Crossovers</a><br />
|
|
<a href="articles/power-supplies2.htm">Small Power Supplies (Part I) - Low Current, Including 'Off-Line'</a><br />
|
|
<a href="articles/power-supplies3.htm">Small Power Supplies (Part 1I) - Transient Response & Noise</a><br />
|
|
<a href="articles/ssl1.htm">Small Satellite Speaker (Part 1)</a><br />
|
|
<a href="articles/ssl2.htm">Small Satellite Speaker (Part 2)</a><br />
|
|
<a href="articles/ssl3.htm">Small Satellite Speaker (Part 3)</a><br />
|
|
<a href="articles/soft-clip.htm">Soft Clipping Circuits</a><br />
|
|
<a href="articles/soft-start.htm">Soft Start Circuits</a><br />
|
|
<a href="articles/ss-relays.htm">Solid State Relays</a><br />
|
|
<a href="sim.htm">Sound Impairment Monitor</a><br />
|
|
<a href="articles/sound-illusion.htm">Sound - Illusion?</a><br />
|
|
<a href="articles/state-variable.htm">State Variable Filters</a><br />
|
|
<a href="articles/speaker-failure.html">Speaker Failure</a><br />
|
|
<a href="articles/squarewave.htm">Squarewave Testing Amps & Filters</a><br />
|
|
<a href="manufacture.htm">State of Manufacture</a><br />
|
|
<a href="articles/smps2.htm">Switchmode Power Supplies (Part II)</a><br />
|
|
<a href="articles/sw-debounce.htm">Switch De-Bounce Techniques</a><br />
|
|
|
|
|
|
<br /><a href="transistor-matching.htm">Transistor Matching</a><br />
|
|
<a href="trans.htm">Transistor listing</a><br />
|
|
<a href="articles/xfmr-dc.htm">Transformers and mains DC offset</a><br />
|
|
<a href="xfmr.htm">Transformers - Part 1</a><br />
|
|
<a href="xfmr2.htm">Transformers - Part 2</a><br />
|
|
<a href="articles/xfmr3.htm">Transformers - Part 3</a><br />
|
|
<a href="articles/xfmr4.htm">Transformers - Part 4</a><br />
|
|
<a href="articles/variac.htm">Transformers - The Variac</a><br />
|
|
<a href="articles/audio-xfmrs.htm">Transformers for 'Line Level' Audio</a><br />
|
|
<a href="articles/xfmrless-psu.htm">Transformerless PSUs</a><br />
|
|
<a href="https://sound-au.com/thermistor-selection.htm">Thermistor Selection</a><br />
|
|
<a href="tsp.htm">Thiele-Small Parameters</a><br />
|
|
<a href="articles/phase.htm">Time Alignment With Phase Shift Networks</a>
|
|
<a href="sp-boxes.htm">Triamped Speaker System - Part 1</a><br />
|
|
<a href="sp-boxes2.htm">Triamped Speaker System - Part 2</a><br />
|
|
|
|
|
|
<br /><a href="vda.htm">Voltage Dividers & Attenuators</a>
|
|
<br /><a href="articles/boxstuff.htm">Volume Filling Reflex Enclosures</a><br />
|
|
|
|
<br /><a href="tweeters.htm">What Makes Tweeters Blow</a><br />
|
|
<a href="whatis.htm">What Is Hi-Fi</a><br />
|
|
<a href="why-diy.htm">Why Do It Yourself?</a><br />
|
|
<a href="psu-wiring.htm">Wiring A Power Supply</a><br />
|
|
<a href="articles/waveguides1.htm">Waveguides, Part 1</a><br />
|
|
<a href="articles/waveguides2.htm">Waveguides, Part 2</a><br />
|
|
<a href="articles/waveguides3.htm">Waveguides, Part 3</a><br /><br />
|
|
|
|
<a href="articles/yellow-glue.htm">Yellow Glue</a><br />
|
|
|
|
<br /><br /><hr /><b>Valves</b><hr />
|
|
<a href="valves/index.html">Valve Articles Index</a><br />
|
|
<a href="hfr_be.htm">Valve Amps - Do they really sound different?</a><br />
|
|
<a href="valves/valveintro.html">Valve intro - types, terminology, etc.</a><br />
|
|
<a href="valves/bias-gain.html">Bias and Gain</a><br />
|
|
<a href="valves/analysis.html">Valve Stage Analysis</a><br />
|
|
<a href="valves/design.html">Design Considerations - Part 1</a><br />
|
|
<a href="valves/design2.html">Design Considerations - Part 2</a><br />
|
|
<a href="valves/preamps.html">Low Distortion Preamps</a><br />
|
|
<a href="valves/myths.html">Valve Myths</a><br />
|
|
<a href="project151.htm">High Voltage DC Supply</a><br />
|
|
<a href="valves/ht-delay.html">High Voltage Time Delay</a><br />
|
|
|
|
<br /><br /><hr /><b>Application Notes</b><hr />
|
|
<a href="appnotes/index.html">Application Notes Index</a><br />
|
|
<a href="appnotes/an001.htm">Precision Rectifiers</a><br />
|
|
<a href="appnotes/an002.htm">Analogue Metering Amplifiers</a><br />
|
|
<a href="appnotes/an003.htm">High Power Led SMPS</a><br />
|
|
<a href="appnotes/an004.htm">Car Dome Light Extender</a><br />
|
|
<a href="appnotes/an005.htm">Zero Crossing Detectors</a><br />
|
|
<a href="appnotes/an006.htm">Ultra-Simple SMPS</a><br />
|
|
<a href="appnotes/an007.htm">Transistor Assisted Zener</a><br />
|
|
<a href="appnotes/an008.htm">Using Zener Diodes</a><br />
|
|
<a href="appnotes/an009.htm">DC Motor Speed Controller</a><br />
|
|
<a href="appnotes/an009-2.htm">DC Motor Speed Controller (II)</a><br />
|
|
<a href="appnotes/an010.htm">2-Wire/4-Wire Converters</a><br />
|
|
<a href="appnotes/an011.htm">4-20mA Current Loop Interfaces</a><br />
|
|
<a href="appnotes/an012.htm">Peak, Average and RMS Measurements</a><br />
|
|
<a href="appnotes/an013.htm">Reverse Polarity Protection</a><br />
|
|
<a href="appnotes/an014.htm">Peak Detection Circuits</a><br />
|
|
<a href="appnotes/an015.htm">Input Overvoltage Protection</a><br />
|
|
<a href="appnotes/an016.htm">Measuring Ultra-High Resistance</a><br />
|
|
<a href="appnotes/an017.htm">DC Detectors For Loudspeaker Protection</a><br />
|
|
<a href="appnotes/an018.htm">Ultra-Low Leakage Diodes</a><br />
|
|
<a href="appnotes/an019.htm">'Zero Power' LED battery Indicator</a><br />
|
|
<a href="appnotes/an020.htm">Mains Peak Voltage Detectors</a><br />
|
|
|
|
<br /><br /><hr /><b>Purchases</b><hr />
|
|
<a href="purchase.htm">Ordering Info</a><br />
|
|
<a href="https://sound-au.com/pcb/pricelist.html">Price List</a><br />
|
|
<a href="readymade.htm">Fully Built Modules</a><br />
|
|
<a href="m27a.htm">Guitar Amp Module</a><br />
|
|
<a href="df100.htm">Digital Flash Module</a><br />
|
|
<a href="vp103.htm">VP-103 Valve Preamp</a><br />
|
|
<a href="paypal.htm">PayPal Details</a><br />
|
|
<a href="wu.htm">Western Union Details</a><br />
|
|
<a href="deadletter.htm">Dead Letters</a><br />
|
|
|
|
<br /><br /><hr /><b>Clocks</b><hr />
|
|
<a href="clocks/clock-components.html">Clock Components</a><br />
|
|
<a href="clocks/motors.html">Clock Motors</a><br />
|
|
<a href="clocks/kundo.html">Kundo Battery Clocks</a><br />
|
|
<a href="clocks/ocm.html">Old Synchronous Motors</a><br />
|
|
<a href="clocks/freq-changer.html">Frequency Changer</a><br />
|
|
<a href="clocks/sync.html">Build a Synchronous Clock</a><br />
|
|
<a href="clocks/free-pendulum.html">Free Pendulum Clock</a><br />
|
|
<a href="clocks/1v5supply.html">1.5V Mains Supply</a><br />
|
|
<a href="clocks/magnet-charger.html">Magnet Charger</a><br />
|
|
<a href="clocks/fluxmeter.html">Simple Flux Meter</a><br />
|
|
<a href="clocks/spark-q.html">Spark Quench Circuits</a><br />
|
|
<a href="clocks/timebase.html">1 second timebase</a><br />
|
|
<a href="clocks/demagnetiser.html">Fast Demagnetiser</a><br />
|
|
<a href="clocks/arduino.html">Arduino Based Slave Clock Driver</a><br /><br />
|
|
|
|
<br /><br /><hr /><b>Gallery</b><hr />
|
|
<a href="https://sound-au.com/gallery/gallery.htm">Gallery Index</a><br />
|
|
<a href="project09a.htm">L-R Crossover (2)</a><br />
|
|
<a href="readers.htm">Reader Feedback - Part 1</a><br />
|
|
<a href="readers2.htm">Reader Feedback - Part 2</a><br />
|
|
|
|
<br /><br /><hr /><b>Downloads</b><hr />
|
|
<a href="software/esp-lr13.exe">Crossover Calculator (EXE)</a><br />
|
|
<a href="download.htm">Download Index</a><br />
|
|
<a href="heatsink.zip">Heatsink Calculator (ZIP)</a><br />
|
|
<a href="heatsink.xls">Heatsink Design (XLS)</a><br />
|
|
<a href="lm3915.zip">LED LM3915 VU Design (ZIP)</a><br />
|
|
<a href="mfb-filter.exe">MFB Filter Calculator (EXE)</a><br />
|
|
<a href="ls-param.zip">Loudspeaker Parameters (ZIP)</a><br />
|
|
<a href="xover.zip">Crossover Design (ZIP)</a><br />
|
|
<a href="linkxfrm.zip">Linkwitz Transform Design (ZIP)</a><br />
|
|
<a href="cron.exe">PC Timer Program (EXE)</a><br />
|
|
<a href="reminder.exe">Reminder Program (EXE)</a><br />
|
|
<a href="esp-semi.exe">Semiconductor Data (EXE)</a><br />
|
|
<a href="software/parR-main.zip">Serial/ Parallel Resistor Calc. (ZIP)</a><br />
|
|
<a href="articles/transformer1.zip">Transformer analysis program (ZIP)</a><br />
|
|
<a href="articles/transformer2.zip">Transformer analysis spreadsheet (ZIP)</a><br />
|
|
<a href="articles/transformer3.zip">Transformer design program (ZIP)</a><br />
|
|
|
|
|
|
<br /><br /><hr /><b>Humour</b><hr />
|
|
<a href="humour.htm">Humour Index</a><br />
|
|
<a href="jokes.htm">Humour - Part 1</a><br />
|
|
<a href="jokes2.htm">Humour - Part 2</a><br />
|
|
<a href="laws.htm">Murphy's Laws</a><br />
|
|
<a href="hal9000.htm">A Space Oddity</a><br />
|
|
<a href="os_air.htm">If Your O/S Were an Airline</a><br />
|
|
<a href="matilda.htm">Waltzing Matilda Explained</a><br />
|
|
<a href="python.htm">Monty Python</a><br />
|
|
<a href="dynamic-range.htm">Dynamic Range Vs. Ambient Noise</a><br />
|
|
<a href="satcure/scam.htm">Satcure Products</a><br />
|
|
|
|
|
|
<br /><br /><hr /><b>Miscellaneous</b><hr />
|
|
<a href="shame.htm">Hall of Shame</a><br />
|
|
<a href="index.html">Home Page</a><br />
|
|
<a href="index.html">Main Index</a><br />
|
|
<a href="audiolink.htm">Main Links Page</a><br />
|
|
<a href="madashell.htm">Mad As Hell - Part 1</a><br />
|
|
<a href="madashell10.htm">Mad As Hell - Part 2</a><br />
|
|
<a href="madashell9.htm">Mad As Hell - Part 3</a><br />
|
|
<a href="madashell8.htm">Mad As Hell - Part 4</a><br />
|
|
<a href="ethics.htm">ESP Ethics Policy</a><br />
|
|
<a href="about.htm">About ESP Site</a><br />
|
|
<a href="https://sound-au.com/contact.htm">Contact the Author</a><br />
|
|
<a href="https://sound-au.com/forms/submit-form.htm">Submit Your Material</a><br />
|
|
<a href="contract.htm">Contracting Details</a><br />
|
|
<a href="author.htm">About the Author</a><br />
|
|
<a href="schools.htm">Custom Projects for Education</a><br />
|
|
<a href="faq.htm">Frequently Asked Questions</a><br />
|
|
<a href="spam.htm">Spam, Scams & Security</a><br />
|
|
<a href="sss/scam.htm">Scams - how they work</a><br />
|
|
<a href="security.htm">Your on-line security</a><br />
|
|
<a href="sss/spam.htm">Spam, Spam, Spam, Spam</a><br />
|
|
<a href="disclaimer.htm">Disclaimer</a><br />
|
|
<a href="wsearch.htm">Search Page</a><br />
|
|
<a href="contrib.htm">Contribute Project/ Article</a><br />
|
|
<a href="estimates.htm">Project Cost Estimates</a><br />
|
|
<br /><br />
|
|
</td>
|
|
|
|
<td width="4%" rowspan="5">
|
|
<!-- Start of second column -->
|
|
|
|
<td width="48%" valign="top"><br /><br /><br /><br /><br /><hr />
|
|
<b>TCAAS (The Class-A Amplifier Site)</b><hr />
|
|
<a href="tcaas/index-1.htm">The JLH Class-A Amplifier</a><br />
|
|
<a href="tcaas/index-2.htm">Other JLH Amplifier Designs</a><br />
|
|
<a href="tcaas/index-3.htm">Other Class-A Amplifiers</a><br />
|
|
<a href="tcaas/index-4.htm">Classic Class-B Schematics</a><br />
|
|
<a href="tcaas/index-5.htm">JLH Power Amp Schematics</a><br />
|
|
<a href="tcaas/jlharticles.htm">The Published Articles of John Linsley Hood</a><br />
|
|
|
|
<hr /><b>Lamps, PSUs, Energy</b><hr />
|
|
|
|
<a href="articles/incandescent.htm">Lamps - Incandescent, etc.</a><br />
|
|
<a href="lamps/reactance.html">Capacitance, Inductance & Non-Linear Loads</a><br />
|
|
<a href="lamps/dimmers.html">Dimmers</a><br />
|
|
<a href="lamps/dimmers2.html">Dimmers - Part 2</a><br />
|
|
<a href="lamps/dimmers+leds.html">Dimmers With LED Lighting</a><br />
|
|
<a href="lamps/elect-trans.html">Electronic Transformers</a><br />
|
|
<a href="lamps/esl-lamps.html">ESL (Electron Stimulated Luminescence) Lamps</a><br />
|
|
<a href="articles/external-psu.htm">External Power Supplies</a><br />
|
|
<a href="lamps/fluorescent.html">Fluorescent Lamps</a><br />
|
|
<a href="lamps/induction.html">Induction Fluorescent Lamps</a><br />
|
|
<a href="articles/inrush.htm">Inrush Current Protection</a><br />
|
|
<a href="lamps/led-lighting.html">LED Lighting</a><br />
|
|
<a href="lamps/thermal.html">LED Lighting - Thermal Design</a><br />
|
|
<a href="lamps/sp-lamp.html">Sulphur Plasma Lamps</a><br />
|
|
<a href="lamps/power-calc.html">Power Calculations - Watts, VA (AC or DC)</a><br />
|
|
<a href="lamps/pfc.html">Power Factor Correction</a><br />
|
|
<a href="lamps/power-savers.html">Power Saver Scam</a><br />
|
|
<a href="lamps/wind-intro.html">Wind Turbine Introduction</a><br />
|
|
<a href="lamps/atkinson-rapley.html">Wind Turbine Noise</a><br />
|
|
|
|
<br /><br /><hr /><b>Projects</b><hr />
|
|
<a href="projects.htm">Projects Index</a><br />
|
|
<a href="p-cat.htm">Projects Index by Category</a><br />
|
|
<a href="p-list.htm">Project List in Numerical Order</a><br />
|
|
|
|
<br /><a href="project00.htm">00 Opamp Bypassing</a><br />
|
|
<a href="project01.htm">01 Better Volume Control</a><br />
|
|
<a href="project02.htm">02 Simple Preamp</a><br />
|
|
<a href="project03.htm">02 60W Power Amp</a><br />
|
|
<a href="project04.htm">04 Power Amp Supply</a><br />
|
|
<a href="project05.htm">05 Preamp Power Supply</a><br />
|
|
<a href="project05a.htm">05A Updated Preamp Power Supply</a><br />
|
|
<a href="project05-mini.htm">05-Mini Budget Preamp Power Supply</a><br />
|
|
<a href="project06.htm">06 Phono Preamp</a><br />
|
|
<a href="project07.htm">07 Discrete Opamp</a><br />
|
|
<a href="project08.htm">08 3rd Order Electronic Crossover</a><br />
|
|
<a href="project09.htm">09 Linkwitz-Riley Crossover</a><br />
|
|
|
|
<br /><a href="project10.htm">10 Class-A Amplifier</a><br />
|
|
<a href="project11.htm">11 Pink Noise Generator</a><br />
|
|
<a href="project12.htm">12 Current Feedback Power Amp</a><br />
|
|
<a href="project12a.htm">12A El-Cheapo Power Amp</a><br />
|
|
<a href="project13.htm">13 Low Noise Preamp</a><br />
|
|
<a href="project14.htm">14 Power Amp Bridging</a><br />
|
|
<a href="project15.htm">15 Capacitance Multiplier</a><br />
|
|
<a href="project16.htm">16 Audio Millivoltmeter</a><br />
|
|
<a href="project17.htm">17 A-Weighting Filter</a><br />
|
|
<a href="project18.htm">18 Surround Decoder</a><br />
|
|
<a href="project19.htm">19 50W IC Power Amp</a><br />
|
|
|
|
<br /><a href="project20.htm">20 Simple Bridge Adaptor</a><br />
|
|
<a href="project21.htm">21 Stereo Width Controllers</a><br />
|
|
<a href="project22.htm">22 Audio Oscillator</a><br />
|
|
<a href="project23.htm">23 Clipping Indicator</a><br />
|
|
<a href="project24.htm">24 Headphone Amplifier</a><br />
|
|
<a href="project25.htm">25 Phono Preamps For All</a><br />
|
|
<a href="project26.htm">26 Digital Delay</a><br />
|
|
<a href="project26a.htm">26A PT2399 Digital Delay</a><br />
|
|
<a href="project27.htm">27 Guitar Amp (Original)</a><br />
|
|
<a href="project27b.htm">27 Guitar Amp (Part 1)</a><br />
|
|
<a href="project27-pix.htm">27 Guitar Amp (Part 2)</a><br />
|
|
<a href="project28.htm">28 Quasi-Parametric EQ</a><br />
|
|
<a href="project29.htm">29 Tremolo Unit</a><br />
|
|
|
|
<br /><a href="project30.htm">30 Mixing Desk (Part 1)</a><br />
|
|
<a href="project30a.htm">30 Mixing Desk (Part 2)</a><br />
|
|
<a href="project30b.htm">30 Mixing Desk (Part 3)</a><br />
|
|
<a href="project30c.htm">30 Mixing Desk (Part 4)</a><br />
|
|
<a href="project30d.htm">30 Mixing Desk (Part 5)</a><br />
|
|
<a href="project31.htm">31 Transistor Tester</a><br />
|
|
<a href="project32.htm">32 Car Audio Preamp</a><br />
|
|
<a href="project33.htm">33 Speaker Protection and Mute</a><br />
|
|
<a href="project34.htm">34 Spring Reverb Unit</a><br />
|
|
<a href="project35.htm">35 Direct Injection Box</a><br />
|
|
<a href="project36.htm">36 DoZ Class-A Amplifier</a><br />
|
|
<a href="project37.htm">37 DoZ Preamp</a><br />
|
|
<a href="project38.htm">38 Auto Power-On</a><br />
|
|
<a href="project39.htm">39 Soft Start Power Switch</a><br />
|
|
<a href="project3a.htm">3A 60W Hi-Fi Power Amp</a><br />
|
|
<a href="project3b.htm">3B 25W Class-A Power Amp</a><br />
|
|
|
|
<br /><a href="project40.htm">40 Load Sensing Auto Switch</a><br />
|
|
<a href="project41.htm">41 Opamp Design & Test Board</a><br />
|
|
<a href="project42.htm">42 Thermo-Fan Controller</a><br />
|
|
<a href="project43.htm">43 Simple DC Split Supply</a><br />
|
|
<a href="project44.htm">44 Dual Lab Supply</a><br />
|
|
<a href="project45.htm">45 Bass Compressor</a><br />
|
|
<a href="project46.htm">46 Thermal Shutdown</a><br />
|
|
<a href="project47.htm">47 VOX AC30 Simulator (withdrawn)</a><br />
|
|
<a href="project48.htm">48 Sub Equaliser</a><br />
|
|
<a href="project49.htm">49 Guitar Vibrato</a><br />
|
|
|
|
<br /><a href="project50.htm">50 Mic Circuit Tester</a><br />
|
|
<a href="project51.htm">51 Balanced Line Drivers</a><br />
|
|
<a href="project52.htm">52 Distortion Analyser</a><br />
|
|
<a href="project53.htm">53 Power Limiter</a><br />
|
|
<a href="project54.htm">54 Low Power FM Transmitter</a><br />
|
|
<a href="project55.htm">55 PPM and VU Meters</a><br />
|
|
<a href="project56.htm">56 Variable Amp Impedance</a><br />
|
|
<a href="project57.htm">57 Sound Impairment Monitor</a><br />
|
|
<a href="project58.htm">57 Speaker Measurement Set</a><br />
|
|
<a href="project59.htm">59 Self Oscillating Amp</a><br />
|
|
|
|
<br /><a href="project60.htm">60 LED VU Meter</a><br />
|
|
<a href="project61.htm">61 (Withdrawn)</a><br />
|
|
<a href="project62.htm">62 Lighting System (Part 1)</a><br />
|
|
<a href="project62a.htm">62 Lighting System (Part 2)</a><br />
|
|
<a href="project62b.htm">62 Lighting System (Part 3)</a><br />
|
|
<a href="project62c.htm">62 Lighting System (Part 4)</a><br />
|
|
<a href="project62d.htm">62 Lighting System (Part 5)</a><br />
|
|
<a href="project62e.htm">62 Lighting System (Part 6)</a><br />
|
|
<a href="project63.htm">63 MFB Filter</a><br />
|
|
<a href="project64.htm">64 Instrument Graphic EQ</a><br />
|
|
<a href="project65.htm">65 Strobe Light</a><br />
|
|
<a href="project66.htm">66 Balanced Mic Preamp</a><br />
|
|
<a href="project67.htm">67 Audio Peak Limiter</a><br />
|
|
<a href="project68.htm">68 Sub Power Amp</a><br />
|
|
<a href="project69.htm">69 Low power +/-12V supply</a><br />
|
|
|
|
<br /><a href="project70.htm">70 DoZ Headphone Amp</a><br />
|
|
<a href="project71.htm">71 Linkwitz Transform Circuit</a><br />
|
|
<a href="project72.htm">72 20W IC Stereo Amp</a><br />
|
|
<a href="project73.htm">73 PC Sound System</a><br />
|
|
<a href="project74.htm">74 RF Probe</a><br />
|
|
<a href="project75.htm">75 Constant Q Graphic EQ</a><br />
|
|
<a href="project76.htm">76 Opamp Based Power Amp</a><br />
|
|
<a href="project77.htm">77 High Current 13,8V Supply</a><br />
|
|
<a href="project78.htm">78 2nd Order Electronic Crossover</a><br />
|
|
<a href="project79.htm">79 Current Sense Power Switch</a><br />
|
|
|
|
<br /><a href="project80.htm">80 Reverse RIAA Equaliser</a><br />
|
|
<a href="project81.htm">81 12dB L-R Crossover</a><br />
|
|
<a href="project82.htm">82 Loudspeaker Test Box</a><br />
|
|
<a href="project83.htm">83 MOSFET Follower Amplifier</a><br />
|
|
<a href="project84.htm">84 1/3 Octave Sub Equaliser</a><br />
|
|
<a href="project85.htm">85 S/PDIF DAC</a><br />
|
|
<a href="project86.htm">86 Mini Audio Oscillator</a><br />
|
|
<a href="project87.htm">87 Balanced Transmitters & Receivers</a><br />
|
|
<a href="project88.htm">88 Audio Preamp</a><br />
|
|
<a href="project89.htm">89 Car Switchmode Supply</a><br />
|
|
|
|
<br /><a href="project90.htm">90 Dimmer Polarity Reversal</a><br />
|
|
<a href="project91.htm">91 78RPM Phono EQ</a><br />
|
|
<a href="project92.htm">92 Guitar and Bass Sustain</a><br />
|
|
<a href="project93.htm">93 Recording & Measuring Mic</a><br />
|
|
<a href="project94.htm">94 Universal Preamp Mixer</a><br />
|
|
<a href="project95.htm">95 Low Power -VE Supply</a><br />
|
|
<a href="project96.htm">96 48V Phantom Supply</a><br />
|
|
<a href="project97.htm">97 Hi-Fi Preamp</a><br />
|
|
<a href="project98.htm">98 Auto Charger for Battery Hi-Fi</a><br />
|
|
<a href="project99.htm">99 36dB/ Octave Infrasonic ('Subsonic') Filter</a><br />
|
|
|
|
<br /><a href="project100.htm">100 Headphone Adaptor for Amplifiers</a><br />
|
|
<a href="project101.htm">101 200W MOSFET Power Amplifier</a><br />
|
|
<a href="project102.htm">102 Simple Pre-Regulator</a><br />
|
|
<a href="project103.htm">103 Subwoofer Phase Control</a><br />
|
|
<a href="project104.htm">104 Preamp/ Crossover Mute Circuit</a><br />
|
|
<a href="project105.htm">105 Build an Electrostatic Loudspeaker (ESL)</a><br />
|
|
<a href="project106.htm">106 h<sub>FE</sub> Tester for Transistors</a><br />
|
|
<a href="project107.htm">107 Phase / Polarity Reversal Switching</a><br />
|
|
<a href="project108.htm">108 Switchmode PSU Protection</a><br />
|
|
<a href="project109.htm">109 Headphone Amp</a><br />
|
|
|
|
<br /><a href="project110.htm">110 IR Remote Control</a><br />
|
|
<a href="project111.htm">111 PIC Speaker Protection</a><br />
|
|
<a href="project112.htm">112 Dummy Head Microphone</a><br />
|
|
<a href="project113.htm">113 Hi-Fi Headphone Amp</a><br />
|
|
<a href="project114.htm">114 Class-D (PWM) Power Amp</a><br />
|
|
<a href="project115.htm">115 GainClone Amplifier (Part 1)</a><br />
|
|
<a href="project115-2.htm">115 GainClone Amplifier (Part 2)</a><br />
|
|
<a href="project116.htm">116 Class-D Subwoofer Amp</a><br />
|
|
<a href="project117.htm">117 1.5kW Power Amplifier</a><br />
|
|
<a href="project118.htm">118 Ultra Simple PC Peripheral Switch</a><br />
|
|
<a href="project119.htm">119 Component Signature Analyser</a><br />
|
|
|
|
<br /><a href="project120.htm">120 Crowbar Speaker Protection</a><br />
|
|
<a href="project121.htm">121 Reading Inductance</a><br />
|
|
<a href="project122.htm">122 Ultra-Simple Mic Preamp</a><br />
|
|
<a href="project123.htm">123 18dB/Octave Crossover</a><br />
|
|
<a href="project124.htm">124 Dummy Load</a><br />
|
|
<a href="project125.htm">125 4-Way 24dB/Octave Crossover</a><br />
|
|
<a href="project126.htm">126 10A, 12V PWM dimmer/ speed controller</a><br />
|
|
<a href="project127.htm">127 Two Channel TDA7293 power amplifier</a><br />
|
|
<a href="project128.htm">128 Analogue VU Meter Bridge</a><br />
|
|
<a href="project129.htm">129 Matrix Mixer</a><br />
|
|
|
|
<br /><a href="project130.htm">130 Inverse A-Weighting Filter</a><br />
|
|
<a href="project131.htm">131 Light Activated Switch</a><br />
|
|
<a href="project132.htm">132 Air Bearing Tonearm</a><br />
|
|
<a href="project133.htm">133 PA-PC Audio Interfaces</a><br />
|
|
<a href="project134.htm">134 4mA Current Loop Microphone</a><br />
|
|
<a href="project135.htm">135 Phase Correlation Meter</a><br />
|
|
<a href="project136.htm">136 Real-Time Audio Analyser</a><br />
|
|
<a href="project137.htm">137 Bi-amped PA Amplifier</a><br />
|
|
<a href="project138.htm">138 Mains Over/ Under Voltage Cutout</a><br />
|
|
<a href="project139.htm">139 Mains Current Monitor</a><br />
|
|
<a href="project139a.htm">139A Simple Current Monitor</a><br />
|
|
|
|
<br /><a href="project140.htm">140 True RMS Adaptor</a><br />
|
|
<a href="project141.htm">141 VCA Based Preamplifier (THAT2180)</a><br />
|
|
<a href="project142.htm">142 Simple High Current Regulator</a><br />
|
|
<a href="project143.htm">143 Tone Burst Generator/ Gate</a><br />
|
|
<a href="project144.htm">144 Mains Power Sequencer</a><br />
|
|
<a href="project145.htm">145 Silent Guitar Effects Switching</a><br />
|
|
<a href="project146.htm">146 Overload/ Clipping Indicator</a><br />
|
|
<a href="project147.htm">147 BJT Muting Switch</a><br />
|
|
<a href="project148.htm">148 State Variable Crossover</a><br />
|
|
<a href="project149.htm">149 Musical Instrument Graphic EQ</a><br />
|
|
|
|
<br /><a href="project150.htm">150 Wien Bridge based equaliser</a><br />
|
|
<a href="project151.htm">151 High Voltage DC Supply</a><br />
|
|
<a href="project152-1.htm">152 Bass Guitar Amplifier - Part 1</a><br />
|
|
<a href="project152-2.htm">152 Bass Guitar Amplifier - Part 2</a><br />
|
|
<a href="project153.htm">153 Frequency 'Isolator' EQ</a><br />
|
|
<a href="project154.htm">154 PC Oscilloscope Interface</a><br />
|
|
<a href="project155.htm">155 Variable High And Low Pass Filters</a><br />
|
|
<a href="project156.htm">156 12V Trigger Switches</a><br />
|
|
<a href="project157.htm">157 3-Wire trailing-edge light dimmer</a><br />
|
|
<a href="project158.htm">158 Low-Noise Test Preamplifier</a><br />
|
|
<a href="project159.htm">159 3-Wire Leading-Edge Dimmer</a><br />
|
|
|
|
<br /><a href="project160.htm">160 LM386, LM380 & LM384 Power Amplifiers</a><br />
|
|
<a href="project161.htm">161 High Impedance Input Stages</a><br />
|
|
<a href="project162.htm">162 Voltage Controlled Oscillator</a><br />
|
|
<a href="project163.htm">163 Preamp Input Switching Using Relays</a><br />
|
|
<a href="project164.htm">164 Signal Tracer</a><br />
|
|
<a href="project165.htm">165 Valve Tester for Service Techs</a><br />
|
|
<a href="project166.htm">166 Push-on, Push-off Mains Switch</a><br />
|
|
<a href="project167.htm">167 MOSFET Follower & Circuit Protection</a><br />
|
|
<a href="project168.htm">168 Low Ohms Meter</a><br />
|
|
<a href="project169.htm">169 Battery Powered 'Audiophile' Amplifier</a><br />
|
|
|
|
<br />
|
|
<a href="project170.htm">170 6dB/ Octave Active Crossover</a><br />
|
|
<a href="project171.htm">171 Infrasound Translator</a><br />
|
|
<a href="project172.htm">172 Wattmeter for AC Power Measurements</a><br />
|
|
<a href="project173.htm">173 Constant Directivity Horn Equaliser</a><br />
|
|
<a href="project174.htm">174 Ultra-Low Distortion Oscillator</a><br />
|
|
<a href="project175.htm">175 Single Supply BTL Amp DC Protection</a><br />
|
|
<a href="project176.htm">176 Fully Differential Amplifier</a><br />
|
|
<a href="project177.htm">177 Constant Current Transistor Tester</a><br />
|
|
<a href="project178.htm">178 Low Voltage Power Amplifier</a><br />
|
|
<a href="project179.htm">179 Filament Lamp Stabilised Wien Bridge Oscillator</a><br />
|
|
|
|
<br />
|
|
<a href="project180.htm">180 Amplifier 'Power Meter'</a><br />
|
|
<a href="project181.htm">181 Audio Accelerometer</a><br />
|
|
<a href="project182.htm">182 Maximum Length Sequence (MLS) Noise Generator</a><br />
|
|
<a href="project183.htm">183 Signal Detecting Audio Ducking Unit</a><br />
|
|
<a href="project184.htm">184 Li-Ion Battery Cutoff For Electronics Projects</a><br />
|
|
<a href="project185.htm">185 Speaker, Microphone & Circuit Polarity Tester</a><br />
|
|
<a href="project186.htm">186 Workbench Test Amplifier</a><br />
|
|
<a href="project187.htm">187 Moving Coil Head Amplifier</a><br />
|
|
<a href="project188.htm">188 Surround Sound Decoder (Mk II)</a><br />
|
|
<a href="project189.htm">189 Audio Wattmeter (Measures True Power)</a><br />
|
|
|
|
<br />
|
|
<a href="project190.htm">190 Microphone (including phantom powered) Muting Circuit</a><br />
|
|
<a href="project191.htm">191 Peak Voltage & Current Detector For Loudspeakers</a><br />
|
|
<a href="project192.htm">192 12V to ±12V Switchmode Supply</a><br />
|
|
<a href="project193.htm">193 12V to P48 Phantom Power Supply</a><br />
|
|
194 Withdrawn<br />
|
|
<a href="project195.htm">195 Guitar 'Talk Box'</a><br />
|
|
<a href="project196.htm">196 12V Float-Charge Battery Supply</a><br />
|
|
<a href="project197.htm">197 Low Frequency Boost And High Pass Filter For Speaker EQ</a><br />
|
|
<a href="project198.htm">198 MOSFET Relay</a><br />
|
|
<a href="project199.htm">199 ABC New Years Eve Concert Equaliser</a><br />
|
|
|
|
<br />
|
|
<a href="project200.htm">200 DIY LDR Optocoupler</a><br />
|
|
<a href="project201.htm">201 Multi-Channel Trailing-Edge Dimmer</a><br />
|
|
<a href="project202.htm">202 Piezo Preamplifiers</a><br />
|
|
<a href="project203.htm">203 Guitar/ Studio Spring Reverb Unit</a><br />
|
|
<a href="project204.htm">204 Frequency Shifter For Acoustic Feedback Reduction</a><br />
|
|
<a href="project205.htm">205 4-Channel Mixer For Microphones Or Instruments</a><br />
|
|
<a href="project206.htm">206 Guitar Vibrato/ Tremolo Unit</a><br />
|
|
<a href="project207.htm">207 High Current AC Source</a><br />
|
|
<a href="project208.htm">208 Amplifier Powered DC Protection Circuit</a><br />
|
|
<a href="project209.htm">209 Resistor And Capacitor Decade Boxes</a><br />
|
|
|
|
<br />
|
|
<a href="project210.htm">210 Electronic Fuse Circuits For DC and AC</a><br />
|
|
<a href="project211.htm">211 Reverb Drive And Recovery Amplifier</a><br />
|
|
<a href="project212.htm">212 High Impedance DC Voltmeter</a><br />
|
|
<a href="project213.htm">213 DIY voltage controlled amplifier (VCA)</a><br />
|
|
<a href="project214.htm">214 'Zero Capacitance' Guitar Lead</a><br />
|
|
<a href="project215-p27-revisit.htm">215 'P27-Revisited' 40W Guitar Amp</a><br />
|
|
<a href="project216.htm">216 Speaker Emulator Dummy Load</a><br />
|
|
<a href="project217.htm">217 Low Power 'Practice' Amplifier</a><br />
|
|
<a href="project218.htm">218 High Q Gyrator Filter</a><br />
|
|
<a href="project219.htm">219 Valve Guitar Amp Speaker Switch</a><br />
|
|
|
|
<br />
|
|
<a href="project220.htm">220 Switchmode Buck Converter</a><br />
|
|
<a href="project221.htm">221 Tweeter Amp Voltage Regulator</a><br />
|
|
<a href="project222.htm">222 Transformerless Soft Start Power Switch</a><br />
|
|
<a href="project223.htm">223 Dual Bench Power Supply</a><br />
|
|
<a href="project224.htm">224 External In-Line Inrush Limiter</a><br />
|
|
<a href="https://sound-au.com/project225.htm">225 Inrush Current Test Unit</a><br />
|
|
<a href="project226.htm">226 Versatile Tone Controls</a><br />
|
|
<a href="project227.htm">227 Hybrid Relay For Speaker Protection</a><br />
|
|
<a href="project228.htm">228 Negative Impedance Test Amplifier</a><br />
|
|
<a href="p228-annex.htm">228A Negative Z Test Amp Annex</a><br />
|
|
<a href="project229.htm">229 Enhanced Reverb Mute System</a><br />
|
|
|
|
<br />
|
|
<a href="project230.htm">230 Workbench Signal Routing Panel</a><br />
|
|
<a href="project231.htm">231 Fast Discrete Opamp</a><br />
|
|
<a href="project232.htm">232 Distortion Measurement System</a><br />
|
|
<a href="project233.htm">233 Isolated Power DC-DC Supplies</a><br />
|
|
<a href="project234.htm">234 Resistor Substitution Box</a><br />
|
|
<a href="project235.htm">235 Current Feedback Opamp (DIY)</a><br />
|
|
<a href="project236.htm">236 AC Millivoltmeter</a><br />
|
|
<a href="project237.htm">237 JFET Test System</a><br />
|
|
<a href="project238.htm">238 High Voltage, Low Current DC Source</a><br />
|
|
<a href="project239.htm">239 Signal Detecting Power-On (Mk II)</a><br />
|
|
|
|
<br />
|
|
<a href="project240.htm">240 10 Watt Audio Amp/ DC Supply</a><br />
|
|
<a href="project241.htm">241 Z-Weighting Filter</a><br />
|
|
<a href="project242.htm">242 Cosine Burst Generator (Mk II)</a><br />
|
|
<a href="project243.htm">243 'Retro' Hi-Fi System</a><br />
|
|
<a href="project244.htm">244 3-LED Level Indicator</a><br />
|
|
<a href="project244.htm">245 TPSI3052-Q1 MOSFET Relay</a><br />
|
|
<a href="project244.htm">246 Clipping Indicator</a><br />
|
|
<a href="project244.htm">247 Tape Head Preamp</a><br />
|
|
<a href="project244.htm">248 Low-Voltage Charge Pumps</a><br />
|
|
<a href="project244.htm">249 Guitar Booster Circuits</a><br />
|
|
<a href="project244.htm">250 Inductor Saturation Tester</a><br />
|
|
<a href="project244.htm">251 Protected DC Load</a><br />
|
|
<a href="project244.htm">252 6-Band Guitar EQ</a><br />
|
|
<a href="project244.htm">253 18dB/Octave State Variable Xover</a><br />
|
|
<a href="project244.htm">254 24/18dB Octave Asymmetrical Xover</a><br />
|
|
|
|
<br />
|
|
<a href="abx-tester.htm">ABX ABX Comparator</a><br />
|
|
<a href="absw.htm">X A-B Switch Box</a><br />
|
|
<br />
|
|
|
|
<a href="projectsuggest.htm">Project Suggestions</a><br />
|
|
</td></tr></table>
|
|
<hr width="90%" />
|
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<br />
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<table style="width:90%;" align="center">
|
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<tr><tdclass="t_11">All documents referred to herein are Copyright, all rights reserved, and may not be reproduced, copied or republished by any means whatsoever, either in whole or in part, without the express written permission of Elliott Sound Products (ESP). Copyright is maintained regardless of any omission or misrepresentation of a document, drawing, image or other material (whether in whole or in part) as may be presented on this site, or any other site as may be maintained or operated by ESP.<br /><br />
|
|
|
|
ESP reserves the right to make changes, updates, modifications or additions to any document, drawing or image at any time, and copyright shall be automatically extended to the changed, updated, modified or added material. Errors and omissions may occur within articles or other material, and no claim may be made against ESP for any damages howsoever caused. Use of any material from this site (or any other site maintained by Rod Elliott / Elliott Sound Products) is at the reader's risk entirely, and the reader shall establish whether any material presented is suitable (or otherwise) for the intended use.<br /><br />
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|
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Note that some links on this page may refer to documents in preparation, and these may or may not be available at any given time.
|
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</table>
|
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<br />
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<hr width="90%" />
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<table style="width:90%;" align="center">
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<tr><td><p class="t_11">Basic Site Statistics: HTML Pages - 759, Images (.gif, .png & .jpg) - 4,312 (As of March 2023 - subject to change at any time.)</p>
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