oldschematic
Shan Sue Tube Pre Amp HPR 120 Oldschematic
Shan Sue magnetic phono preamplifier circuit. It's designed to preamplify the weak signal from a magnetic phono cartridge before feeding it to a main...
Japan HF PA Amplifier Oldschematic
Based on the Vintage electrical schematic, this appears to be a transformer-coupled amplifier circuit. It likely utilizes transformers and tubes to amplify an audio...
Shanghai Radio Type 158 with Tubes 6SA7GT and 6SK7GT
The Shanghai Radio Type 158 is a vintage radio model produced in China around the 1980s. This particular variation stands out from the standard...
Vintage PCK-10 Preamplifier from Japan with 12AX7 & 12AT7 Tubes
The vintage PCK-10 preamplifier from Japan is a classic audio component that utilizes 12AX7 and 12AT7 tubes. This preamp is designed to boost weak...
The Acoustech II: A Vintage Preamplifier Unveiled
This piece of vintage audio equipment is not a power amplifier as originally explored, but rather a solid-state stereo preamplifier.
Preamplifier Powerhouse
The Acoustech II acts...
Fisher Amplifier Model 70A 25 Watt Oldschematic
The world of audio amplifiers offers a multitude of designs, each striving to achieve exceptional sound reproduction. The transformer-coupled SET amplifier, like the one...
Delving into a Vintage Radio Receiver Schematic: Unveiling the Peking 701
The image you see here is a roadmap to understanding a vintage radio receiver: a schematic for the Peking 701. This intricate web of...
The Mighty 12AT7: A Workhorse of Vintage Audio
The Mighty 12AT7: A Workhorse of Vintage Audio
The 12AT7, a seemingly unassuming nine-pin glass tube, holds a legendary place in the history of electronics....
The Secrets of a Reel-to-Reel Tape Recorder: A Look Inside the...
The image you see here is a roadmap to the inner workings of a classic audio device: a reel-to-reel tape recorder schematic. This intricate...
Inner Workings of A Vintage Reel-to-reel Tape Recorder!
This black and white schematic offers a fascinating glimpse into the electronic heart of a classic audio device. It depicts the main circuit board,...