Jasper Synthesizer - A clone of the analogue EDP Wasp Synth - spillerphoto

Jasper Synthesizer - A clone of the analogue EDP Wasp Synth

Jasper is a clone of the Wasp synthesizer that was made by the small British company EDP (Electronic Dream Plant) for a few years from 1978 to 1982. The Wasp was one of the first commercially available digital/analogue hybrid synthesizers. Designed by Chris Huggett and Adrian Wagner who created it as an affordable synthesizer using the then newly and widely available inexpensive CMOS digital logic chips.


  • 2 x DCO (32', 16', 8', 4', 2') with saw, enhanced, pulse (DCO 1 variable pulse width)
  • Mix level control for each DCO
  • 2 x ADS EG (1xVCA + 1xVCF), both with repeat function
  • 1 * Noise Generator
  • 1 x VCF with low pass, band pass, high and notch
  • 1 x LFO (about 0.55Hz to 100Hz) with saw, square, sine, random and noise filter is resonant (but not self-oscillating)
  • hold function
  • Glide Bend
  • External audio input (DCO independent)
  • MIDI in/out
  • DCO 2 pitch
  • Tune Two octave capacitative touch "keyboard"
  • Headphone and line outs
  • 'Link' port to connect to other Jaspers (Wasps, Gnats or Spiders)
  • External envelope trigger input

The Jasper Synth is a DIY project. PCBs are available from the UK. The Synth comes with the build-in Midi kit.


3D printed with PLA Prusament Galaxy black.

Some Photos for the Jasper Synth

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