Four independent -24dB/octave Butterworth Low Pass Filters. They all share a common frequency input and bias knob. The QAAF filters each output from the PDO separately, providing an anti-aliased output. There is also a sum output of all four filtered signals.
CV input, Clock In/Out
per filter: one input, one output
3U Eurorack module, 4HP wide, 40mm deep
power consumption: 35mA @ +12V and 35mA @ -12V