Doepfer A-121s Stereo Multimode Filter – Stereo Filter for Complete Sound Control The Doepfer A-121s is a stereo 12dB/oct multimode filter combining low-pass, high-pass, and band-pass modes for extensive sound shaping. Featuring stable resonance, low noise, and CV-controllable cutoff and resonance per channel, this filter is perfect for stereo Eurorack systems. Key Features: Stereo 12dB/oct multimode filter (low-, high-, band-pass) CV-controllable cutoff and resonance per channel Low noise and stable resonance Compact format ideal for stereo setups Excellent for analog synthesis and sound design Technical Specifications: Width: 16 HP Power: +12V (approx. 50mA), -12V (approx. 30mA) Inputs: 2x Audio In (left/right), 2x CV In (cutoff), 2x CV In (resonance) Outputs: 2x Low Pass Out, 2x High Pass Out, 2x Band Pass Out Color: Black / Metal