AtoVproject - Dual Harmonic Oscillator (DHO)

£755.00 £659.00

The AtoVproject Dual Harmonic Oscillator (DHO) offers a new approach to the complex oscillator concept. It boasts an analog design and signal path with digital control, providing a distinctive built-in modulation section (based on video game rendering noise algorithms). DHO is equipped with numerous VCAs, offering abundant CV modulation possibilities for precise control over harmonics, TZFM, and folding.

  • Simplex noise modulation source
  • Haptic feedback response
Functions: Expander , LFO , Oscillator , Random , Waveshaper
Height: 3U
Width: 36hp

Color: Black

  • Black
  • Silver
Out of stock
Availability: In Stock | Free UK Shipping

The AtoVproject DHO or Dual Harmonic Oscillator is a novel take on the complex oscillator concept.

The core idea of the DHO is to solve a fundamental issue that complex oscillators usually have - Despite their amazing sonic potential, to take full advantage of complex oscillators they require a large amount of modulation to give life to the sound they produce. To solve this, AtoVproject have designed an analog complex oscillator with internal modulation based on video game algorithms to facilitate a lively sound creation process.

It is an analog oscillator with digital control and also the first Eurorack module to feature haptic feedback!

Each analog oscillator generates four octaves of triangle waves and modulates each other using through-zero frequency modulation. All of this is channeled through a four-stage diode wavefolder.

Complex oscillators are renowned for their vast sonic potential yet they can be challenging to fully exploit due to the many modulators they require. The DHO uses a new approach to make this much easier than ever before. An algorithm from the video game industry has been used to allow the dynamic modulation of 10 parameters. With a simple twist of a knob, one can explore infinite soundscapes and give life to the whole module with just one CV input! The DHO also features 10 internal LFO for even more movement. Without the need for a huge number of other modulators DHO can propel you to new sonic territories all on its own!

The DHO also ships with its expander. It gives standard oscillator waveforms as well as PWM, hard and soft sync inputs.


Black, Silver


36 HP
20 mm deep

Current Draw

215 mA +12V
140 mA -12V
0 mA 5V

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AtoVproject - Dual Harmonic Oscillator (DHO)

£755.00 £659.00