Doepfer A-111-6, Eurorack Synthesiser Voice, Classic layout with VCO, VCF, VCA and envelope generator, VCO waveforms: sawtooth, triangle, and variable pulse square, Modulation input for FM or PWM, Sub-octave or external signal can be mixed, 24 dB low-pass filter with filter frequency, modulation depth and resonance control, VCA with gain control, controllable by gate signal or internal envelope, Envelope with modes AD, ADSR and AR, Patch points to control each section, Width: 10 HP, Depth: 50.5 mm