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Doepfer A-111-3 Micro Precision VCO Slim Line Series Module (silver)
- 1V/octave input, exponential FM input, linear FM input
- PWM input, Sync input
- Waveform outputs: Sawtooth, Triangle, Pulse
- 3U Eurorack module, 4HP wide, 65mm deep
If you decide an product is not suitable within 14 days of delivery, you can return it to us for a replacement or refund. Returns must be unused and in their original, undamaged packaging.
Some items are excluded from our money back guarantee:
- Computer software that has been unsealed or registered
- Any item that comes directly into contact with the nose, ears or mouth
To arrange a return, just contact our customer service department on 020 7424 2800 or via our customer support form.
Doepfer A-111-3 Micro Precision VCO Slim Line Series Module (silver)
Basically, it's the same circuitry like the High-End VCO A-111-2 but with reduced functions and controls. It is suitable as a modulator for exact linear FM and much more.
The A-111-3 has two elements for setting the frequency: A switch selecting between LFO and VCO mode as well as a tune control with a jumper-selectable range:
- Jumper position 1: 16Hz to 20 kHz
- Jumper position 2: 16Hz to 70Hz
- Without jumper: 16Hz to 22Hz
The XM potentiometer can be used as a fine tune control as long as nothing is patched to the XM socket.
The oscillator has a frequency range of at least fifteen osctaves (0.0001 - 40 Hz in LFO mode; 0.5 Hz to 20 kHz in VCO mode) and offers perfect 1 V per octave tracking over ten octaves minimum, typically in the range of 20 Hz to 20 kHz. Frequencies below 25 Hz are visualized with a two-colour LED.
The 1V per octave input is accompanied by two FM inputs, one for linear and one for exponential frequency modulation. A jumper determines whether the module obtains pitch CV via the internal bus.
The VCO has a triangle core from which sawtooth, pulse and triangle are derived. The wave forms are almost perfect and sans glitches.
The pulse width can be set with a control from 0 to 100% and of course it can be modulated.
There is one input for oscillator synchronisation and its type, either hard or soft sync, is jumper-selected. Both types differ in sound with the hard sync being more aggressive and richer in harmonics.
Doepfer A-111-3 Micro Precision VCO Slim Line Series Module (silver)
