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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.
Audio
Files
- 12 dB Amplifier and High Current Line Driver with DC Servo.pdf
- 20 dB Amplifier and High Current Balanced Line Driver.pdf
- A generic version of the student handouts from Mr. Whitlock's seminars.pdf
- A New Balanced Audio Input Circuit for Maximum Common-Mode Rejection in Real World Environments.pdf
- Alway On Signal Sensing Subwoofer Mute Circuit.pdf
- Amplifier with Feedback from Output Transformer.pdf
- An Introduction to Transformers in Audio Devices.pdf
- Answers to Common Questions about Audio Transformers.pdf
- Anti-RIAA Equalizer for Line to Mag Phono Converter.pdf
- Audio Transformers.zip
- Build the Hummer to Find Pin 1 Problems in Equipment.pdf
- CALCULATING THE HIGH FREQUENCY RESISTANCE OF SINGLE AND DOUBLE LAYER TOROIDAL WINDINGS.pdf
- Earthing (Grounding) Your Hi-Fi - Tricks and Techniques.mht
- External Isolation Transformer Box for Mackie (and other) Mixers Eliminates RFI Problems.pdf
- High Output Line Driver for Single Ended Power Supply.pdf
- Hybrid Networks.pdf
- Jensen System Troubleshooting Guide.pdf
- JT-10K61-1M Line Driver uses Push-Pull Vacuum Tube Cascode Follower.pdf
- JT-10KB-D + JT-990-C + JT-11-BM = Ultra-High Performance Line Driver.pdf
- JT-10KB-D + JT-990-C + JT-123-BL = 50 Ohm Long Line Driver.pdf
- JT-11-BM + JT-990-C = Ultra-High Performance Output Stage.pdf
- JT-11-BM High Level High Current Differential Output Stage with DC Servo.pdf
- JT-11-FL provides Isolated Line Output from Guitar Amplifier.pdf
- JT-11-YZPC in Unbalanced Long Line Driver-Isolator.pdf
- JT-115K-E Cascode Tube Microphone Input Stage.pdf
- JT-11P-1 as Phase Splitter with Symmetrical Outputs.pdf
- JT-11P-1 Balanced XLR Input to Unbalanced RCA Output.pdf
- JT-11P-1 Conversion of Unbalanced Input to Balanced.pdf
- JT-11P-1 Receiver for Very Long Line Applications.pdf
- JT-11P-1 Unbalanced Automotive or Consumer Application.pdf
- JT-11SSP-6M + JT-990-C + JT-123-BL = 50 Ohm Long Line Receiver and Driver.pdf
- JT-123-S Differential Line Driver with Feedback Around the Transformer.pdf
- JT-DB-E Direct Box for Very High Level Signals.pdf
- JT-DB-E in Guitar to Amp Long Line Circuit.pdf
- JT-MB-C in Low Noise, High Isolation Line Receiver for Low-Z Sources.pdf
- JT-MB-D Converts 600 Ohm Unbal. Mic to 150 Ohm Balanced Mic Line.pdf
- Langevin AM-16 Preamplifier CM-28121 CM-28122.pdf
- Mixed Feedback Drive Circuits For Audio Output Transformers.pdf
- NEVE 1 Dave Library 5.pdf
- Output Amplifier to Upgrade Neve BA282AV Circuit Board.pdf
- Output Transformer Design and Winding.doc
- Output Transformer Design and Winding.mht
- Output Transformer Design and Winding.xps
- Output Transformer Design Procedure for a 12V PA Amplifier.pdf
- Output Transformer Impedance.mht
- Output Transformer Lamination Selection AN-104.pdf
- Output Transformer Testing.mht
- Output Transformers Tubelab.mht
- Output Transformers.mht
- Puzzled About Output Transformers.pdf
- Reverse Engineering an Output Transformer - Nondestructively.doc
- Reverse Engineering an Output Transformer - Nondestructively.mht
- Reverse Engineering an Output Transformer - Nondestructively.xps
- Two JT-115K-E used in Symmetrical Mic Input Stage.pdf
- Valve Amps Output transformers.mht
- Winding Your Own Output Transformers.pdf
Contact and submissions
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Viewers
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- Sumatra PDF (Windows)
- DjView (DjVu)
- WinDjView (Windows, DjVu)
- Adobe Acrobat Reader (PDF)