Optical compressor + Sustainer
https://www.pigtronix.com/pedals/philosophers-tone/ Module Detail PageThis offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onPigtronix Philosopher's Tone CSD guitar pedal. Compressor Sustainer and Distortion. True clean sustain , smooth diode clipping distortion, Transparent compressor, 5 knobs provides myriad possibilities to blend the three effects. It's in good condition and comes as pictured.

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