Schematics Database

Simple RC Filters for Phonograph Amplifiers 1947.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Simplified Control Unit.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Simplified Dynamic Noise Suppressor 1948.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Stereo Monaural Companion Amplifier for the Preamp with Presence November, 1957 .pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Tone Control Adventure 1948.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Transition Frequency Compensation 1947.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Tube Preamp.jpg

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Turner Complete Tube Preamp.zip

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Versatile Phono Preamplifier 1949.pdf

Category: Vintage Electronics > Audio > Pre-amps, Equalizers and Processors

Motion Picture Sound Systems in the 1960s.pdf

Category: Vintage Electronics > Audio > Professional Audio

db Magazine Volume 1 Number 1 1967-11 Articles Only.pdf

Category: Vintage Electronics > Audio > Professional Audio

AO28 Preamp.jpg

Category: Vintage Electronics > Audio > Public Address

PA Microphone Preamp 1947.pdf

Category: Vintage Electronics > Audio > Public Address

Tannoy HF-100-20L 30W Amplifier.pdf

Category: Vintage Electronics > Audio > Public Address

Tannoy HF100 Amplifier.png

Category: Vintage Electronics > Audio > Public Address

Tannoy PX4 SE 1932.pdf

Category: Vintage Electronics > Audio > Public Address

Wnen I Think Back - PA Systems Part 1 EA 1993-01.pdf

Category: Vintage Electronics > Audio > Public Address

An Artificial Reverberation System.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Audio Demonstration Techniques.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Balanced Tube Line Out Stage.gif

Category: Vintage Electronics > Audio > Recording Studio Equipment

Disk Cutting Part 2 dB 1968-04.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

EMI Tube Line Amplifier.jpg

Category: Vintage Electronics > Audio > Recording Studio Equipment

Echo Effects with a Tape Recorder.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Echo and Reverb Devicess 1968.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Experimental Noise Suppressor.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

FM CALIBRATOR FOR DISC RECORDING HEADS Part 1 Audio 1947-05.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

JT-11P-1 Balanced Tube Line Input Stage.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

JT-11P-1 Generic Tube Line Input Stage.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Jensen Line Driver.jpg

Category: Vintage Electronics > Audio > Recording Studio Equipment

Stereo Cutting Errata dB 1968-02.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Sylvania Compressor-Expander.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

The Cutting Lathe Part 1 db 1968-03.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Valve Pre-Amp for Audiophiles Part 1 EA 1994-10.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Volume Expander & Scratch Suppressor 1947.pdf

Category: Vintage Electronics > Audio > Recording Studio Equipment

Antique Radio Cabinet Refinishing.pdf

Category: Vintage Electronics > Audio > Restoration & Repair

How to improve your classic hi-fi's sound.pdf

Category: Vintage Electronics > Audio > Restoration & Repair

Restoring a Reel to Reel Recorder 3.pdf

Category: Vintage Electronics > Audio > Restoration & Repair

Restoring an old drive in theatre.pdf

Category: Vintage Electronics > Audio > Restoration & Repair

A New Approach to Loudspeaker Dampening.pdf

Category: Vintage Electronics > Audio > Speakers

Below 50 Cycles in 1949.pdf

Category: Vintage Electronics > Audio > Speakers

Bose Ultra Tiny Speaker Ad.jpg

Category: Vintage Electronics > Audio > Speakers

Build a Magnetic Headphone.pdf

Category: Vintage Electronics > Audio > Speakers

Corner Speaker Cabinet for 12 -inch Cones.pdf

Category: Vintage Electronics > Audio > Speakers

Corner Speaker Design for Television Etc.pdf

Category: Vintage Electronics > Audio > Speakers

Horn Loaded Loudspeaker System.pdf

Category: Vintage Electronics > Audio > Speakers

Loudspeakers-The-Why-&-How-of-Good-Reproduction.pdf 3rd Edition 1949.pdf

Category: Vintage Electronics > Audio > Speakers

Sub-Marine Sonics.pdf

Category: Vintage Electronics > Audio > Speakers

The Great Loudspeaker Mystery.pdf

Category: Vintage Electronics > Audio > Speakers

The History and Theory of the Dynamic Loudspeaker.pdf

Category: Vintage Electronics > Audio > Speakers

The Loudsoeaker-Living Room System.pdf

Category: Vintage Electronics > Audio > Speakers