It has a pre-amp, Envelope follower,
8 stage sequencer with forwards/backwards control, clock divider -
/2,/4,/8,/16, 2 EGs, 2 VCAs, 2 LFOs with a difference rectifier, VCO
with PWM and a VC processed sawtooth out, Arp4023 VCF, 3 input mixer and
a headphone amp. The cutout is for the 1/4" socket to feed the pre-amp
& EF
