A-143-1 Complex Envelope Generator / LFO

The Complex Envelope Generator is a very versatile modulation source. It consists of four AD envelopes (i.e. there are only attack and decay phases), which can be cascaded in any combination, trigger each other or be operated in an “LFO” mode. Due to the complexity of the circuit and setting options, the A-143-1 requires a … Read more

A-143-9 Voltage Controlled Quadrature LFO/VCO

The A-143-9 Voltage Controlled Quadrature LFO / VCO is a voltage controlled sine wave generator that produces a very clean sine wave signal. With approx. 3 kHz, the LFO reaches into the audio range, with an additional control voltage it can even be used as a VCO up to approx. 20 kHz. Compared to “real” … Read more