what circuits use the ca3080 chip?
Ross Compressor :)
Phillip
Elektor (magazine) "Formant" synth.
the "Piedrita" SmallStone-clone by Francisco Pena...
Ring frobnicator, serge ring mod.
-Colin
maestro filter / sample & hold on GGG
Anderton's "Volume Pedal De-Scratcher"
Elektor light-controlled wah
Elektor volume pedal
Electro-Harmonix Black Finger Sustainer (vintage model, new ones use tubes???)