Moog BFAM (Brother From Another Mother) analog synthesizer and sequencer

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via this auction

via the seller: "I'm selling my BFAM (Brother From Another Mother) analog synthesizer and sequencer. I built it in May of 2016 at the Moogfest Engineering workshop in Durham, NC. According to the Moog engineers, it was an early prototype for the Mother 32 synthesizer and will not be available commercially.

Ebay won't let me link directly to Modulargrid, but if you search that site for BFAM, there is additional information about the synthesizer, including videos,

Single VCO, with saw & pulse wave forms
Noise
Mixer
ADSR envelope
Pulse Width
VCF with cutoff and resonance and VCF EG Amount control
8-stage analog step sequencer, with control over glide, gate length & clock rate and per-step gate control - sequencer can be routed to pitch, filter cutoff, or another destination via patch point
16 x 3.55mm patch points on front panel
1 6.55mm output in back (when using provided case)

NOTE - this was built from a kit during the workshop, so know what you are buying - this is not a Mother 32. The synthesizer and sequencer work great, but it was not built in a factory. It was calibrated and checked by Moog engineers during the workshop."