New Virtual Analog For Reason, ES01 Rack Extension

Ekssperimental Sounds Studio has introduced ES01, described as ‘a faithful recreation of a beloved analog classic’.

The ES01 is not a 1:1 emulation – it also has additional features like Sub Oscillator, Unison and Polyphony.


  • VCO with 5 waveforms including triangle, sawtooth, square, rectangle, and PWM
  • Feet Selector from 32? to 4? with “WN” (white noise) setting
  • Sub Oscillator with selectable waveforms (-1 or -2 octaves) including noise
  • VCO/Sub Oscillator mixer
  • VCF with default 12 dB/octave filter and option for 24 dB/octave slope
  • LFO with 5 waveforms including sine, triangle, saw, square and random
  • Glissando with options for “stepped” or “smooth” transitions between notes
  • ADSR Envelope Generator
  • Prerouted Breath Control
  • Touch Data Programmer with 16 slot modulation matrix (divided into two pages)
  • Wide sounding unison
  • Polyphony (16 voices, 8 voices with unison engaged)
  • Analog Drift and Noise settings on the back panel
  • Pitch Bend range of +/-24
  • Optional extended ranges for VCF, LFO, PWM Speed, and Mod Wheel
  • Tempo Sync options for LFO and PWM
  • CV Inputs: Gate, Note, Mod Wheel, Pitch Bend, BC, 4 assignable
  • CV Outputs: LFO, 4 assignable
  • Over 300 presets

Audio Demos:

Pricing and Availability

ES01 is available in the Propellerhead Store, with an intro price of US $59 (normally $79).

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