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18hp eurorack oscillator/filter/distortion/its own thingFor sale is probably my favorite eurorack module I’ve ever used. It does it ALL. It can work as an harmonic oscillator, an incredible multi output filter/distortion/wave shaper, a quadrature panner. One slider LED doesn’t work but everything works perfectly and sounds AMAZING.Angle Grinder is a quadrature sine wave oscillator or filter and distortion effect.The function of the Angle Grinder depends on both the position of the knobs and the presence of an input signal.Features:Quadrature Sine wave VCO with four phase related outputs: 0°, 90°, 180°, 270°HIGH range from 10Hz to over 20kHzLOW range from 0.3Hz to over 500HzTracks 4+ octaves of volts per octave at the V/OCT inputFM1 is linearFMFM2 is additional exponential V/OCT jackWith no input GRIND section provides voltage controlled harmonic contentWith input GRIND section compares each phase against GRIND IN signalEach slider subtracts the compared signal from the input signal, creating complex waveshapesWhen GRIND is fed into the SPIN section the outputs become a state variable filterDAMPING counteracts the oscillation and allows an external signal throughWhen filtering the four phase related outputs are: LOW PASS, BAND PASS, HIGH PASS, and INVERTED BAND PASSWhen filtering the GRIND section is a nonlinear feedback network for harsh and unpredictable timbresThe four phase feedback paths can be separately voltage controlledThe INJECT jack can be used as a second input for either audio or CV, bypassing GRINDAll analog OTA based design18 HPPower requirements :+12V 81mA, -12V 78mA