Argentina’s Zeus Polyphonic Analogue Synthesiser

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Argentinian boutique synth manufacturer GS Music has just released a sneak peek of their new polyphonic analogue synth opportunely named Zeus. It appears that the company may have been inspired by Moog and Arturia with the aesthetics and layout certainly borrowing features from the likes of the Subsequent 37 and the MatrixBrute.

Zeus is an analogue, polyphonic, multi-timbral, subtractive synthesis synthesiser, where the sound generation is through a complete analogue path. Each voice has two voltage-controlled oscillators (VCOs), a mixer, a voltage-controlled filter (VCF) and a voltage-controlled amplifier (VCAs). Control signals in each voice are generated digitally by a microcontroller capable of processing three low-frequency oscillators (LFOs) and two ADSR-type envelopes (EGs).

It’s great to see new synths coming out of unexpected sources, so it will be interesting to see how the synth is received once it is released.

The video demo below features a prototype of the Zeus synthesiser, with the price and availability details, are yet to come.


  • Polyphony: 12
  • Oscillators: 2 voltage-controlled analogue oscillators (VCO) with sub oscillators. Hard sync.
  • Waveforms of oscillators: Triangular, Saw-Tri, Sawtooth, Pulse with PWM. It is possible to mix the pulse with the other waveforms.
  • Filter (VCF): Low pass filter of 24dB / Oct (4 poles) with resonance control.
  • Envelopes: 2 (Attack, Decay, Sustain, Release), Velocity to Attack
  • LFO: 3
  • LFO waveforms: Triangular, Ramp up, Ramp down, Square, Sample and Hold
  • Effects: Chorus, Delay
  • Presets: TBD
  • Connections: MIDI IN, MIDI OUT, MIDI Thru, Audio Output (Plug 1/4 ”TRS balanced), Sustain, USB, Filter CV, Amplifier CV, Audio input.
GS Music Release a Sneak Preview of the Zeus Polyphonic Analogue Synthesiser

Zeus Control Panel

For more info, visit the GS Music Website

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