The Intellijel Rubicon is an analogue triangle core VCO that is capable of through zero frequency modulation. It is a feature packed VCO with multiple simultaneous waveform outputs including waves that are multiples or divisions of the base frequency.
The Intellijel Rubicon is an analogue VCO designed for through-zero frequency modulation, featuring multiple simultaneous waveform outputs including sine, triangle, saw, and pulse variants. It includes controls for frequency, symmetry, FM modulation, and sync functions. The manual covers front panel details, patching examples, and a tuning procedure for calibration. It is intended for users familiar with modular synthesizers and FM synthesis techniques.
The manual provides detailed explanations of each control, including the TZFM section, symmetry settings, and output waveforms. It also includes practical patching examples such as two-operator FM and PWM saw strings, along with tuning instructions for achieving precise frequency response.
| Waveform Outputs | Sine, Sigmoid, Double Frequency Sigmoid, Triangle, Saw, Double Saw, Zig Zag, Square, Pulse |
|---|---|
| FM Modulation Type | Linear or Exponential (via TZFM EXP/LIN switch) |
The TZFM section allows for dynamic control of frequency modulation through a linear VCA, with the INDEX input controlling the VCA and the TZFM knob setting the bias.
The FINE knob allows adjustment of the coarse frequency over a range of +/-6 semitones.
The TZFM input provides a modulation depth of 20% per volt.
The tuning procedure requires setting the VCO to 8Hz, 16Hz, 64Hz, 512Hz, and 4096Hz.