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Product information "Doepfer A-110-6 Trapezoid Thru Zero VCO"
Exotic VCO – The A-110-6 utilizes a quadrature trapezoid core to generate sound. Waveshapers are used to derive other signals. In total, the module emits five waveforms plus variations with a phase shift of 90 degrees. The oscillator’s frequency is determined by an exponential and a linear control stage. An LFO mode allows users to employ the A-110-6 as a modulator. Thanks to its thru zero circuits, the module delivers beefy FM sounds. In combination with the phase-shifted outputs, it is possible to create lots of extraordinary timbres.
Contrary to traditional VCOs, the A-110-6 isn’t based on a sawtooth or triangle core, but a quadrature trapezoid design. The module offers ten outputs, which emit the following signals:
TraSin – Trapezoid waveform
TraCos – Trapezoid waveform with a phase shift of 90 degrees
Sine – Sine waveform
Cosine – Sine waveform with a phase shift of 90 degrees
TriSin – Triangle waveform
TriCos – Triangle waveform with a phase shift of 90 degrees
RecSin – Square waveform
RecCos – Square waveform with a phase shift of 90 degrees
SawSin – Sawtooth waveform
SawCos – Sawtooth waveform with a phase shift of 90 degrees
The A-110-6 comes equipped with an exponential and a linear control stage. The first-mentioned section features a frequency potentiometer (XTune), a modulation input plus attenuator (XFM) and a 1V/octave connector. The linear stage is composed of yet another frequency potentiometer (LFrq) and modulation input plus attenuator (LFM). The oscillator’s pitch is determined jointly by both sections. While the LFrq potentiometer is set fully clockwise, the A-110-6 behaves like an ordinary VCO. When the control element is moved counterclockwise, the module’s frequency changes with linear characteristic. In middle position, the waves (nearly) stop. With the LFrq potentiometer turned fully to the left, the oscillator behaves like an ordinary VCO again. - But with inverted wave direction.
A switch allows users to change the module’s frequency range. Thanks to this feature, the A-110-6 can not only be utilized as an audio generator, but a LFO as well.
External videos:
HE:
3
TE:
12
Depth:
61
Power consumption +12V:
80
Power consumption -12V:
70
Related links to "Doepfer A-110-6 Trapezoid Thru Zero VCO"
WIth a long trajectory building synths, MIDI keyboards and designing bespoke devices for music pioneers Kraftwerk, Dieter Doepfer decided to design his own modular synthesizer in 1995 based on existing electrical and mechanical specifications of lab equipment he used during his years at university. The official presentation of the system at 1996 Frankfurt Musikmesse caught everyone by surprise and created lots of interest. After Doepfer published the specifications on his website, many instrument designers and engineers saw the potential of the new Eurorack format. Doepfer continues expanding their catalog of over 200 modules (and counting), operating from their modest offices in the outskirts of Munich.
