Prophet 12


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The Prophet 12 is a 12-voice polyphonic synthesizer with an advanced digital/analog hybrid voice architecture capable of creating eminently playable, dynamic, and innovative sounds unlike any other synthesizer.



  • Five DSP-based oscillators per voice (including one sine wave sub oscillator)
  • Four classic wave shapes (saw, square, triangle, sine) per oscillator
  • Twelve selectable complex shapes per oscillator
  • Three noise types per oscillator: white, pink, violet
  • Shape modulation
  • Oscillator cross modulation: frequency modulation (FM) and amplitude modulation (AM)
  • Hard sync on each of the four oscillators

Character Effects

  • Five high-quality digital effects. Thicken the signal and add harmonics or completely destroy the signal pre-filter.
  • Girth and Air are high and low shelf equalizers with harmonic excitement. Useful for thickening and/or adding air to the signal.
  • Hack and Decimate are sample and bit rate reduction algorithms which can add subtle grit or completely destroy the signal. It's harsh yet musical!
  • Drive is a soft saturator for adding soft distortion and harmonic content to the signal


  • Famed Curtis 2- or 4-pole resonant analog low-pass filter (self oscillates in 4-pole mode) per voice
  • 2-pole resonant analog high-pass filter per voice

Feedback and Delay

  • Tuned feedback
  • Four-tap syncable multi delay with feedback and amount per delay per voice


  • Four Delay + ADSR envelopes (LPF, VCA , and two Auxiliary envelopes)
  • Auxiliary envelopes 3 and 4 freely assignable to multiple modulation destinations
  • LPF and Auxiliary envelopes can repeat/loop.


  • Four syncable LFO's with phase offset and slew per LFO


  • 16 x 2 modulation matrix with over 100 mod destinations
  • Modulation assignment buttons enable quick and easy modulation routing


  • Sophisticated programmable arpeggiator with up, down, up+down, random, assign modes
  • Re-latching arpeggiator

Programmable Distortion

  • Independent programmable stereo analog distortion per layer.


  • More than 50 knobs and 50 buttons enable deep and comprehensive editing with little to no menu diving.
  • Backlit pitch and mod wheels are easily visible in low light situations and have a smooth yet precise feel and response.
  • Independently adjustable upper and lower pitch wheel range.
  • Two assignable position- and pressure-sensitive latchable touch sliders for enhanced interactivity and control.
  • Full-sized, 5-Octave, semi-weighted keyboard with velocity and channel aftertouch


  • 396 user and 396 factory programs
  • Direct program access using numeric keypad and dedicated User, Factory, and Bank buttons
  • Playlist mode for generating easily accessible setlists of your favorite programs. Create four play lists with up to forty programs each!


  • 1 MIDI In, 1 MIDI out, and 1 MIDI Thru port
  • USB port for bidirectional MIDI communication
  • 1 Sustain/footswitch input
  • 2 expression pedal inputs
  • Main stereo output (2 x 1/4" phone jack)
  • Layer B stereo output (2 x 1/4" phone jack)
  • Headphone out (stereo 1/4" phone jack)


  • 1 universal IEC AC power inlet for internal power supply
  • Operates worldwide on voltages between 100-240v, 50-60Hz, 30 watts maximum power consumption

Physical Specs

  • Oiled bubinga wood end panels and trim
  • 38.4" L x 12.8" W x 4.15" H (97.5 cm x 32.5 cm x 10.5 cm)
  • 26 lbs. (11.8 kg)

All specifications subject to change without notice.