Mutable InstrumentsBlinds Quad Polarizer

Mutable Instruments Blinds

Mutable Instruments' Blinds is a powerful 4-channel VC signal polarizer. Every channel is comprised of a four-quadrant multiplier. The circuit acts like a VCA, but a negative control voltage results in the output being an inverted signal, instead of being silenced. The outputs are all daisy-chained, allowing adjacent channels to be mixed together. Blinds is great for using as a utility to control modulation CVs in a patch, although it can be used for much more!

Blinds Features

• 4 Channel Polarizer / Bi-polar VCA
• Doubles as Quad Ring Modulator
• All inputs DC-coupled
• All inputs handle audio-rate signals
• Input impedance: 100k for all inputs
• CV offset range: +/- 5V
• Gain scale: linear, a +5V CV translates to a gain of 1
• Gain range: +/- 2