Doepfer A-111-4 Quad Precision VCO – Four-channel precise analog oscillator

The A-111-4 Quad Precision VCO is a powerful module featuring four independent analog oscillators in a single enclosure. Designed for serious modular synthesizer users, this module offers high precision and stable tracking across multiple octaves. Each oscillator delivers a wide range of classic waveforms, perfect for complex polyphonic patches and rich textures. Flexible FM inputs per channel provide extensive modulation possibilities.

Key Features:

• Four independent analog VCOs in one module

• High precision and stable tracking

• Classic waveforms: sawtooth, triangle, square, sine

• Linear and exponential FM inputs per channel

• Ideal for polyphonic and complex modular patches

• Robust build quality for long-lasting performance