via this auction
"This KORG SQ-10 sequencer, CV / Gate control the with three channel output allows pitch, tone color and timing variation. Use the knobs to adjust and build a sequence of up to 12 steps per channel (channel A: 12 steps, Channel B: 12 Steps) for a 24 step maximum sequence. The SQ-10 outputs CV (Control Voltage) so it can be connected to the Oscillators, VCF filters or LFO's of your MS synths"