Module A-110-2v is a low-cost voltage-controlled oscillator with a black Vintage Series panel. It's a slightly reduced version of the standard VCO A-110-1. Compared to the A-110-1 the A-110-2 has no sine output and the (expensive) octave rotary switch is replaced by a 3-position toggle switch. In return the A-110-2 is equipped with an additional linear FM input and a soft sync input. A jumper is used to select the range of the tune control between about 1/2 octave and about 4 octaves. The width of the module is only 8 HP compared to the 10 HP of the A-110-1.

The core of the A-110-2 is - like the  A-110-1 - a sawtooth oscillator (in contrast to the A-111-1, which is based on a triangle oscillator). The other waveforms are derived from the sawtooth by waveform converters. As the sawtooth reset (i.e. the back-to-zero slope) is not infinitely fast but takes a little bit of time the triangle is not perfect ! At the bottom of the waveform it has a small glitch or notch that is caused by the sawtooth reset and cannot be eliminated by the waveform converter. If a perfect triangle is required the A-111-1 is recommended.

The sawtooth output of the A-110-21 has a falling (or negative ) slope. The front panel shows erroneously a rising (or positive) slope. This has no influence to the sound but becomes important when the module is used as an LFO or is mixed with the sawtooth output of another VCO.

Features

  • Low cost VCO
  • Saw, Square (with variable pulse width), and Triangle waveshape outputs
  • Hard sync and soft sync inputs
  • Linear and Exponential FM inputs
  • Three position octave switch
  • Pulse width modulation input

Product Specs

Condition:
Brand New (New)
Brand
Doepfer
Model
A-110-2v Basic VCO (Vintage Series)
Categories
Eurorack

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Perfect Circuit

Burbank, CA, United States
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Doepfer A-110-2v Basic VCO (Vintage Series)
$155
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