via this auction
"If you're looking at this, you probably know what it is. And that it's super rare. The bC16 miniature patch synthesizer contains a fully featured VCO, LFO, envelope generator, analog VCA, VCF, noise source & ring modulator all in a CD sized case CNC machined from 10mm high-grade acrylic plastic.Fifteen color coded potentiometers control key functions, connections between synthesizer sections is done using thirty 2mm mini-banana sockets.
Powered by either six AAA batteries or by an external (not supplied) 9 to 12v source, the bC16 can be used free standing (internal headphone amplifier), linked to an external keyboard/sequencer or MIDI-CV converters.
Specs:
1 ADSR
1 LFO
1 VCA
2 linked VCOs
24dB VCF
Noise source
Ring modulator
Headphone amplifier
Arpeggiator
MIDI and/or CV control
Requires 6 AAA batteries
The Unit is a complete patchable analog monophonic synthesizer with a VCO, LFO, envelope generator with noise and ring modulation in a circular small sized plastic case.
Include 9 patch cables and the inverter."









































