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Roland GR-77B Programmable Analog Bass Guitar Synthesizer Vintage


1 in stock


For sale is a Roland GR-77B in good working condition. Hard to find, sounds like a thousand unicorns galloping across a rainbow. Many more sounds than that once you’ve learned to navigate it. Tested, includes original cables and functions as it should.

Features and Specifications:

  • 4 voice, Dual Oscillator Synth Engine Based on the Roland JX-8P
  • 4 – Selectable Octave Settings for Each Oscillator, 2’, 4’, 8′ and 16’
  • Choice of Square, Sawtooth, Pulse Waveform or Noise
  • Cross Modulation Between Oscillators
  • Frequency Modulation with Envelope and/or Modulation
  • VCF Low-Pass Filter with LFO, Envelope and Pitch Modulation
  • Variable High-Pass Filter
  • Dual Four Stage Envelope Generators
  • Low Frequency Oscillator for Vibrato Effects
  • Selectable Dynamic Control Over Pitch, Filter and Amplifier per string
  • Selectable Pitch Bend, Hold and Voice On/Off per String
  • Lush Analog Chorus Mode
  • Programming via foot switches or with optional PG-800 Programmer
  • Dimensions: 27 3/16″ (W) 14 3/4″ (D) 6 1/8″ (H), 12 kg/26 lb. 8 oz.
  • Power Requirements: 45 watts
  • Response Time32.13 ms



Additional information

Weight 69 lbs
Dimensions 40 x 24 x 12 in

Used, Vintage


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