Roland ProMars (MRS-2) Replacement Parts

Browse 66 replacement parts for the Roland ProMars (MRS-2) (1979). The ProMars MRS-2 Compuphonic synthesizer is a dual-VCO monosynth that is similar in…

Parts for this model

  • Battery, 3.6V NiCad
  • Bender assembly, Roland
  • Bender lever, Roland
  • Bender lever, Roland, clear
  • Bender plate, Roland
  • Bender rubber stop, Roland
  • Bridge rectifier, WO-02S
  • IC, 4001 quad NOR gate
  • IC, 4011 quad gate
  • IC, 4016 quad analog switch
  • IC, 4024 binary counter
  • IC, 4025 triple 3-input NOR gate
  • IC, 4049 hex inverter/buffer
  • IC, 4051 multiplexer chip
  • IC, 4052 multiplexer switch
  • IC, 4069 hex inverter
  • IC, 4070 quad 2-input exclusive OR gate
  • IC, 4558 dual op amp
  • IC, 723 linear regulator
  • IC, 741 op amp
  • IC, 74LS175 flip-flop
  • IC, BA662 Roland VCA chip
  • IC, IR3109 Roland VCF chip
  • IC, LM311 comparator
  • IC, TL082 op amp
  • IC, UA726HC NPN monolithic transistor pair
  • Knob, Roland
  • Knob, rotary, Roland
  • Phone jack, 1/4-inch
  • Phone jack, 1/4-inch
  • Potentiometer, 100KB rotary
  • Potentiometer, 100KB rotary with center tap
  • Potentiometer, 2MA rotary
  • Potentiometer, 50KB rotary
  • Potentiometer, 50KB rotary
  • Power switch, pushbutton
  • Rotary switch, 3-position
  • Rotary switch, 4-position
  • Slide potentiometer, 2MC, 30mm
  • Slide potentiometer, 50KB with detent, 30mm
  • Slide potentiometer, 50KB, 30mm
  • Slide switch, 2-position
  • Slider knob, Roland
  • Spring, for bender
  • Style 35U key, black note
  • Style 35U key, note A
  • Style 35U key, note B
  • Style 35U key, note C