The Doepfer A-121sv (Vintage) is a 12HP dual multimode filter which can be used for stereo applications as well as for parallel or serial organized dual mono filters. The core is a 12dB multimode filter identical to the modules A-121-2 and A-121-3. The selection of the filter type is continuously from lowpass via notch and highpass to bandpass. For the filter parameters frequency (F), resonance (Q) and type (T) common controls and CV inputs as well as single controls and CV inputs are available. For the filter frequency in addition a manual control and CV input for the filter spread (frequency difference or delta F) is available. Video: https://youtu.be/EoVg1U4h8fAProduct Specs Item Number: 23485 Make: Doepfer Model: A-121sv Condition: Brand New Finish: Black Categories: keyboards-and-synths ⇒ eurorack Function: Dual/Stereo Filter Made In: Germany MPN: A-121sv EAN: 4250711112103 Modular Grid: Eurorack ⓘ + Dimensions*: 12 HP 45 mm deep Power*: 100 mA +12V 100 mA -12V ? mA 5V * User contributed details