The Doepfer A-111-6V Mini Synthesizer Vintage (Black) is an Analogue Synth-Voice Module with Oscillator, Filter, Envelope and VCA. The Triangle-Core based Oscillator generates optionally Sawtooth, Triangle and Rectangle Waves. The Pulse Width of the Square Wave or the Oscillator FM can be processed. With the Balance Control you can Mix between an External Signal and the built-in Sub-Oscillator. The Filter is of the classic type, with a Low-Pass Filter and a slope of 24dB. Its VCA can be opened with Gate or the internal Envelope, used for the modulation of VCO, VCF and VCA alongside various CV Inputs, which performs as either A/D, A/R or ADSR.