The ES 2144 LPF is a classic analog filter with a 24dB per octave slope. It uses our 2144 submodule which features a reissue of the renowned SSM-2044 IC that formed the filter section for countless vintage synths. The filter's tone is warm and creamy at low resonance settings and moves into fat, over-driven squelches at the higher end of its range. It will self oscillate when resonance is cranked and outputs a pure sine tone. In addition, the frequency CV input tracks volt per octave allowing it to double as a sine wave VCO. Available assembled or full DIY kit with all SMT installed. Analog 4-pole low pass filter Renowned SSM-2044 filter topology CV over frequency and resonance Frequency CV tracks volt per octave Capable of self oscillation Doubles as sine wave VCO with V/Oct tracking https://www.electro-smith.com/eurorack/2144-lpf