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 SPECS Four-pole, 24 dB/octave Current needs: +12V=50mA, -12V=45mA Width: 6 HP Depth Assembled Version: 22mm Depth DIY Kit Version: 35 mm Designed, kits prepared and assembled in Barcelona.