Space-conscious lowpass filter and volume processor. A combination of VCF + VCA + Mixer that lets you mix three different sound sources, and shape their tone, and levels in a breeze. The Pony Filter is built around the SSI2144 FATKEYS Chip. Has the elegant sound of the classic transistor filter without the associated distortions, due to Dave Rossum's "improved ladder" topology. Features 3 Channel Mixer (Out normalized to channel three for feedback) Temperature-compensated Q and frequency. Compensated Volume VS Resonance 2 Cuttof CV INs. CV 1 Selectable routing Cut-Off or Cut-Off+VCA Voltage controlled Q Two Segment Peak Meter Specifications Four-pole, 24 dB/octave Current needs: +12V=50mA, -12V=45mA Width: 6 HP Depth Assembled Version: 22mm Depth DIY Kit Version: 40mm Designed, kits prepared and assembled in Barcelona.