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- Order number: 210450
- Depth: 45
Quadruple random voltage source with quantizer.
With the A-149-4 four random voltage values can be generated via trigger input and quantized in different ways. The four random voltage sources can be triggered individually or grouped together, and the quantization settings apply to all four CV outputs. Thus quantized and random polyphonic melodies with different rhythms per voice are possible.The module was developed for polyphonic applications like the Doepfer polyphonic modules (A-111-4, A-105-4, A-132-8, A-141-4, A-157, A-173-1/2), but is also suitable everywhere where four random voltages are desired.
The module offers the following setting options for the quantizer:
- Octave Range (Manual Knob "Oct.").
- Pitch (6 buttons): This parameter determines the pitch of the output control voltages:
- Octaves (Oct)
- Octaves + fifths (Quint)
- Chords (Chord)
- Scale (Scale)
- semitones (Semi)
- continuous (Cont)
- Minor / Major (2 buttons): In the case of chords and scales, this parameter determines whether the control voltages are output in the minor (Min) or major (Maj) grid.
- Sixth / Septime (2 buttons): These parameters determine whether the sixth or seventh is added.
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.