Quadra expander

Description

Quadra expander:

4 x eoc (end of cycle) pulse outputs corresponding to the 4 function generators

VC of attack and decay (with attenuators) of all four envelopes

2 x analog or (aka peak circuit) logic outputs that are normalled to the two pairs of envelopes (1+2 and 3+4) with attenuators

Special quadrature modes for envelopes 1+2 and 3+4 with jumper on pcb to select two different kinds of looping responses

Connects to the Quadra via 4 ribbon cables

12hp and skiff friendly