156

Control Voltage Processor Model 156 clone.

The La Sesenta y Siete, 156 Control Voltage Processor was made to mix, compress and invert control voltages. Each channel has two control voltage inputs and an internal voltage source. This is useful for obtaining fine pitch control, transposition capability, and range compression of control voltage sources.

More info here: https://www.lasesentaysiete.com/ and here: https://www.muffwiggler.com/forum/viewtopic.php?t=208349