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Joranalogue Orbit 3 Eurorack Chaos Oscillator Module


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Product Info

Shipping November 2021

In chaos theory, the combination of all possible oscillations at a specific set of parameters is known as the ‘attractor’. Orbit 3 incorporates a modified electronic analogue of the classic double-scroll attractor. Since it contains some (bi)stable regions in addition to chaotic ones, this type is known as a ‘strange’ attractor.

The voltages at each of the module’s outputs can be thought to describe the orbit of a particle through 3D space around two equilibrium points. The positions of these points, as well as the distribution of the orbits and rate of movement can all be adjusted under manual or voltage control.

Not just limited to low frequency modulation use, Orbit 3 can operate in the audio frequency domain as well, yielding a variety of waveforms from its three complementary output pairs. These span a wide range, from near-sine waves to white noise. The addition of temperature compensation and calibrated pitch tracking makes for an unconventional and lively, yet also accurate audio oscillator.


  • Fully analogue three-dimensional chaos oscillator with classic double-scroll strange attractor.
  • Intuitive, voltage controlled attractor parameters: distribution and position of both scrolls, plus tame/wild behaviour switch.
  • Temperature-compensated 1 volt/octave pitch tracking.
  • Ultra-wide frequency range: 2.4 mHz (7 minutes) to 22 kHz.
  • Reset input for synchronised modulations or ‘hard sync’ audio tones.
  • Impedance-compensated, amplitude-balanced complementary chaos outputs with dual-colour LEDs.
  • Active equilibrium point gate output.
  • Bullet-proof design: polarised power header and MOSFET protection circuit.

Width: 10hp
Depth: 30mm
Power: +12: 70mA, -12: 65mA

Manufacturer product page here.
Product manual here.

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