The Furthrrrr Generator has a main oscillator (carrier) with an extensive and fully voltage controllable wave mulitplier and a modulation oscillator (modulator) that can crossmodulate the carrier. Each oscillator has hard and soft sync and also featrues an integrated tuner: if both LEDs are lit the VCO is at note A. Left LED is lit at note Ab and right LED at A#. Frequency potentiometers are ten-turn models and thus allow for easy tuning. Frequency range of the VCOs is 10Hz-10kHz (and much lower in modulator´s LFO mode).
Both VCOs feature 2 frequency CV inputs (1x with bipolar attenuator, 1x with 1V/octave), one FM input (jumper selectable between linear and exponantial FM) as well as separate input for hard and soft sync. The voltage characteristic can be selected between 1V/octave and 1.2V/octave (Buchla norm).
The Main Oscillator (carrier) outputs the waveforms sine, saw, square and white noise. The two outputs marked with the magic eye are outputs of the "harmonic section" that generates very complex sounds by the wave multipier and it´s symmetry parameter - order and furthrrr. Symmetry lowers the level of even harmonics and amplifies the odd harmonics (this affects the pulse wave´s width as well). Order adds saturation to the high order harmonics and resembles a low pass filter.
Furthrrrr alters the level of harmonics set by the other parameters and produces very interesting, partly brute sounds with lots of harmonics by clipping and folding the wave. All three parameters can be voltage controlled. The carrier oscillator also has inputs for hard and soft sync, the sync-switch can sync directly to the modulator.
Modulation oscillator (modulator) has three wave forms with direct outputs: sine, saw and square. Using the internal modulation via the "mood section" the waveform is selected with a button; an additional staircase wave form is available here but it can be overridden by inserting a signal into the external input socket. A switch activates the LFO mode.
Mood section is responisble for the internal modulation of the carrier by the modulator. Switches determine the modulation destination(s) that can be activated simultaneously. These are the furthrrrr parameter of the harmonic section, the amplitude and the frequency of the carrier oscillator. The "balanced" switch acitvates the ring modulation between both VCOs. Intensity of modulation is controlled by the "mood index" potentiometer and the according CV input with bipolar attenuator.
- 2 Oscillators (Carrier & Modulator)
- Hard & Soft Sync
- Integrated Tuners for each Oscillator
- Sine, Saw, Square, and White Noise Outputs from Main Oscillator
- Sine, Saw, and Square Outputs from Modulation Oscillator
- "Mood Section" handles internal modulation of the carrier by the modulator
- Ring Mod between both VCOs
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- Eurorack Module
- 30HP Width
- 1" Depth
- Extensive usage of internal busses, in adherence to the established Doepfer standard