Roland SH-101

via this auction.

Sequential Circuits Six-Trak

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The Sequential Circuits Six-Trak was released in 1984 at a list price of $1295.
It is 28"wide, 11 ¾"deep, 4 ¼ high", weighing in at 20 pounds.
It features a 4 octave, non touch sensitive, keyboard with non spring loaded pitch and modulation wheels located on the left hand side above the keyboard.
The pitch wheels range is a third.
The six-trak will send and receive pitch and modulation wheel data via midi.
The six-trak is a six voice, multi-timbred unit that features an 800 note sequencer, arpegiator, and 100 patch locations.
The back panel features audio out, midi in and out ports, and a control foot switch which can be used to scroll through programs and advance the arpegiator one step at a time.