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DIY | Tube | Ken Stone | VCA | Wave Shaping | Distortion | CGS

Tube experimenter board by Ken Stone , visit https://sdiy.info/wiki/CGS_tube_VCA_and_wave_folder for more details on construction, calibration and pcb. From the description given there:

This circuit board was designed to allow for easier assembly of 7 pin tube based synthesizer circuits. Going on the number of requests I have had for a tube module that runs on +/- 15 volts, the first project I present using this board is exactly that. It is a simple VCA that doubles as a wave folder/distortion unit. There are no dangers in connecting this to solid state modules due to the voltages in use, and the fact that this is really a voltage controlled attenuator, and not an amplifier. There is about 50% signal level loss.

visit the cgs subforum http://electro-music.com/forum/index.php?f=165