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2026-10-09
- 170 new manuals added in aes, alinco, bitsavers, b&k, century, collins, dovetron, ebooks, eico, electric-eye, freq-electronics, goodwill, hickok, johnson, kantronics, micronta, military, national, rca, scientific_radio, sencore, sylvania, tennelec, triplett, uniden, and xyz.
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2026-10-21
- New beta site for public review.
Bipolar
Files
- 1000W Amp From France.jpg
- 1000W Amplifier - USA1310.jpg
- 100W Amp.jpg
- 100W and 200W Amp designs.pdf
- 100W Power Amp.gif
- 100W Power Amplifier Module Schematics & Application Notes.pdf
- 100W Power Amplifier.pdf
- 100W Quasi Complementary Power Amp.jpg
- 100W Quasi-Complementary Power.gif
- 100W RMS Amplifier.pdf
- 100W Super Tiger.pdf
- 10W per Channel Stereo Amplifier.pdf
- 120W Power Amp for Home or Car.pdf
- 120W-Ch Rms Power Amp - Ta477.pdf
- 125W Per Channel Amplifier.pdf
- 125W Universal Tiger Power Amplifier.pdf
- 12W to 100W Universal Power Amplifier.pdf
- 15-20W Class AB Audio Amplifier with Near Class-A Performance.pdf
- 150W Power Amplifier.pdf
- 15W Unitronics UA150AP Power Amp.pdf
- 1600W 2Ohm Power Amp.jpg
- 1600W 2Ohm Power Amp.pdf
- 1W Amp.pdf
- 1W Five Dollar Cracker Box Amp.pdf
- 20000W Power Amplifier.gif
- 20000W Power Amplifier.jpg
- 2000W Amp (cascade Output).jpg
- 2000W Power Amp.gif
- 2000W Power Amp.jpg
- 200W Bridge Amplifier.pdf
- 200W International Powerslave Amplifier.pdf
- 200W Powered Speaker Amp using the STK4050.pdf
- 20W Low Cost Simple Power Amp.pdf
- 20W to 200W Universal Power Amplifier.pdf
- 220W Amp.gif
- 220W Amp.jpg
- 250W Amp.jpg
- 250W MeSing MS1000B Amplifier.pdf
- 250W Tigersaurus Power Amplifier.pdf
- 25W Stereo Booster Errata EA 1979-01.pdf
- 270W Amplifier.pdf
- 2W Power Amplifier for Personal Music Players.pdf
- 3000W Power Amplifier Circuit.gif
- 3000W Power Amplifier Circuit.jpg
- 300V per µS Power Amplifier.pdf
- 300W 4R Power Amplifier.pdf
- 300W Amp.jpg
- 300W Audio Power Amplifier Module.pdf
- 300W Power Amp.gif
- 300W Power Amp.jpg
- 300W Power Amplfier EA 1980-05.pdf
- 300W Rack Mount Amplifier Conclusion EA 1980-07.pdf
- 300W-Channel Audio Amp with tone controls.gif
- 300W-Channel Audio Amp with tone controls.jpg
- 35W LM391 Based Power Amplifier.pdf
- 35W Single Ended Power Amp.pdf
- 35W Unitronics UA350 Power Amp.pdf
- 3600W Amplifier.zip
- 3600W Power Amplifier.pdf
- 3W Austereo Hi Fi Amplifier.pdf
- 3W per Channel Stereo Power Amplifier.pdf
- 400W Bipolar Power Amp.jpg
- 400W Power Amp.pdf
- 40W Amplifier.pdf
- 40W per channel Playmaster Amplifier Part 1 EA 1971-06.pdf
- 40W Symmetrical Power Amplifier.pdf
- 40W UA400 Power Amp.pdf
- 40W-4 Ohm Edwin General Purpose Audio Power Amplifier.pdf
- 50+50W Power Module 422.pdf
- 5000W High Power Amplifier Circuit.jpg
- 5000W into 1 Ohm Class AB Rail Switching Power Amplifier.pdf
- 5000W power_amplifier.jpg
- 50W Basic Power Amplifier.pdf
- 50W Fully Complementary Alpha Power Amp.jpg
- 50W Low TIM Amp.jpg
- 50W Per Channel Basic Power Amplifier.pdf
- 50W Powered Subwoofer.pdf
- 50W Subwoofer Power Amp.pdf
- 50W Transformer Driven Amplifier.pdf
- 50W x2 Electornado Power Amplifier.pdf
- 50X x 2 STK4191 Power Amplifier.pdf
- 600W Audio Power Amplifier with Switching Power Supply.pdf
- 600W Power Audio Amplifier Part 2.pdf
- 600W subwoofer Amp.jpg
- 60W Amp Module Notes ETI 1979.pdf
- 60W Low Distortion Amplifier Module ETI470.pdf
- 60W Low Distortion Power Amplifier Module ETI 470.pdf
- 60W Modular Power Amplifier.pdf
- 60W NDFL Power Amplifier.pdf
- 60W Power Amp Module 488.pdf
- 60W Stereo Amplifier Series 4000 ETI 1979-07.pdf
- 60W UA600 60W Power Amplifier.pdf
- 650W PA Power Amplifier.pdf
- 70W 4R Spectrasonics 701 Power Amplifier Module.pdf
- 70W 4R Spectrasonics Power Amplifier Module.pdf
- 75-125W Simple Power Amp Module ETI1430.pdf
- 80W CH Rms Ta802.pdf
- 80W Gto 2020 Power Amp.pdf
- 80W Power Amp.pdf
- 8W power amplifier.pdf
- 8W to 20W IC Power Amplifiers.pdf
- 90W GT20D201 Amp.jpg
- 90W Symmetrical Power Amplifier.jpg
- A4 Power Amplifier.zip
- Alexander Current-Feedback Audio Power Amplifier .pdf
- Amplifiers and Transient Intermodulation Distortion.pdf
- Attack 1200 Power Amp - Leach Clone.jpg
- Audio Amplifier and Pre-Amplifier Assortment.pdf
- Audio Power Output Stages for 1960s Products.pdf
- Austereo 15-30W Power Amplifier.pdf
- Austereo 3W per Channel Power Amplifier.pdf
- Basic Decent Quality Power Amplifier.jpg
- Battery Operated Audio Amplifier.pdf
- Bridging Adapter for Series 5000 Amplifier to produce 300W ETI 479.pdf
- Burr Brown COMPLETE AUDIO AMPLIFIER.pdf
- Circards - Power Amplifiers.pdf
- Class AB Power Amplifier Automatic Bias System.pdf
- Class One Sound Amplifier Part 01 - All Discrete.pdf
- Class One Sound Amplifier Part 2 ETT 1989-06.pdf
- Combined Power Supply And Audio Amplifier.pdf
- Composite Power Amplifiers.pdf
- Current Correcter Audio Power Amplifier.pdf
- Current Dumping Amplifier Comments 3.pdf
- Current Dumping Amplifier Followup 1.pdf
- Current Dumping Amplifier.gif
- Current Sharing with Multiple IC Audio Amplifiers.pdf
- Designing Silicon-Transistor Hi-Fi Amplifiers Part 3 EW 1966-11.pdf
- Equa Amplifier.pdf
- Fraser Electronics UPA-2 Power Amplifier Schematic.pdf
- Fraser Electronics UPA2 Power Amplifier PCB and BOM.pdf
- General Purpose Audio Amp Module ETI-453.pdf
- General Purpose Audio Amplifier Module ETI 464.pdf
- High Power Audio Amplifier Errata RE 1984-12.pdf
- High Power Audio Amplifiers with Short Circuit Protection.pdf
- High Quality Power Amp.zip
- High-End Power Amp Notes EK 2005-03.pdf
- Home Theater Amplifier Kit.mht
- IC Front end Power Amplifier.jpg
- Improve Audio Amp Performance.pdf
- Leach Amp 2002.pdf
- Leach Amp Modified 2.gif
- Leach Amp Plans - Part 1.mht
- Leach Amp V4_5.jpg
- Leach Double Barreled Amplifier.pdf
- Leach Low TIM Amplifier Kit.pdf
- Leach Original Low TIM Amplifier.pdf
- Leach Power Amp Modification.gif
- Leach Power Amp Version 4 5.pdf
- Liquid Cooled Power Amplifier (2).pdf
- Liquid Cooled Power Amplifier.pdf
- Lm377 Power Amp Typical Applications.pdf
- Lm386 Power Amp Typical Applications.pdf
- LM3886 Power Amplifier.pdf
- LM49710 Based Audio Amplifier Errata EFY 2016-06.pdf
- Loud Hailer.pdf
- Low Cost 4 Channel Power Amplifier.pdf
- Low Current Power Amplifier.pdf
- Low Power Audio Amplifier.pdf
- Low TIM Otala Amplifier.gif
- MAX98400 Development Kit Schematic.jpg
- Me Sing MS7777A Power Amp Connection.pdf
- Mini All Discrete Hi-Fi.pdf
- Miniature Aidio Power Amplifier.jpg
- Miniature Power Amplifier.pdf
- Mobile Power Amplifier.pdf
- MOSFET Non Feedback Power Amplifier.mht
- MOSFET Power Amplifier with Servo.jpg
- Mugen Hybrid Amplifier Errata EK2007-10.pdf
- NE540 Power Amp Driver IC.pdf
- PAX Power Amplifier Part 1 EC and the output stage EK 2008-04.pdf
- paX Power Amplifier Part 2 EK 2008-05.pdf
- Personal Amplifier.pdf
- Personal Stereo Amplifier.pdf
- Playmaster 10W Amplifier Part 1 EA 1979-05.pdf
- Playmaster 60-60 Amplifier Part 2 EA 1986-02.pdf
- Playmaster Six-Sixty Amplifier Part 1 EA 1986-05.pdf
- Pocket Stereo Amp Errata EN 1992-08.pdf
- Power Amplifier Design Notes-Misc.pdf
- Power Amplifiers - Wireless World Circards Set 7.pdf
- Power Output and Dissapation in Class AB Transistor Amplifiers.pdf
- Sinclair Project 60 Full Manual.pdf
- Small Audio Power Amplifier.pdf
- Soundstream Power Amplifier Driver PCBD.pdf
- Spectra Sonics Products.pdf
- Spectrasonic 202A Power Amp.gif
- Studio 350 Power Amplifier Module Part 2 SC 2004-02.pdf
- Symettrical Power Amp.gif
- Transformer Coupled Audio Power Amplifier Design Info.pdf
- Transistor Power Amplifier Circuit Directory from 1963.pdf
- Transistor Radio Power Amp.pdf
- Typical Transistor Amplifiers.pdf
- Universal Power Amplifier Handout.pdf
- Walkman Amplifier.pdf
- Wire Brand Amplifier.pdf
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