Doepfer - A-105-4: Quad Poly VCF

Manufacturer Description: A-105-4 is our first polyphonic filter and contains four identical 24dB Lowpass filters (SSM2044 type). It has available common manual controls and CV inputs with attenuators for these parameters. The module has these controls and in/outputs are available: Frequency F (manual control) Frequency Modulation Intensity FM (manual control) Resonance Q (manual control) Audio Input Level L (manual control) CVF control (attenuator for Frequency Control Voltage CVF) CVFM control (attenuator for Frequency Modulation Control Voltage VCFM) CVQ control (attenuator for Resonance Control Voltage CVQ) CVL control (attenuator for Level Control Voltage CVL) CVF socket (Frequency Control Voltage CVF) CVFM socket (Frequency Modulation Control Voltage VCFM) CVQ socket (Resonance Control Voltage CVQ) CVL socket (Level Control Voltage CVL) FM Input 1 - 4 Audio Input 1 - 4 Audio Output 1 - 4 Each filter has available a separate FM input as well