Diode Filter 23A

12 dB 2 pole Multimode filter with Voltage controlled resonance. This is a very versatile filter and an excellent choice in a small system where maximum sonic flexibility is required. The 10A has an onboard VCA which controls the level into the filter. A switch selectable input provides AC or DC operation. In DC mode sub- audio signals can be processed.

Four simultaneous outputs available:

Lowpass
Highpass
Bandpass
Notch

Features:

1V per octave response input
1 CV input with +/- attenuator
1 CV input with standard attenuator
Resonance CV input with attenuator
VCA level CV input and Level Control
Switch to select AC or DC coupling on the input.

http://modcan.com/amodules/multimode.html