Arp Quadra Replacement Parts

Browse 77 replacement parts for the Arp Quadra (1978). It's called a Quadra, because Arp's monster synth has four independent sections: Bass, Poly synth…

Parts for this model

  • Diode, 1N34A
  • Diode, 1N4148
  • IC, 1458 op amp
  • IC, 3086 transistor array
  • IC, 4001 quad NOR gate
  • IC, 4007 dual FET/inverter
  • IC, 4011 quad gate
  • IC, 4012 dual 4-input NAND gate
  • IC, 4016 quad analog switch
  • IC, 4023, NAND gate
  • IC, 4046 phase locked loop
  • IC, 4051 multiplexer chip
  • IC, 4052 multiplexer switch
  • IC, 4053 multiplexer switch
  • IC, 4069 hex inverter
  • IC, 4520 dual binary up counter
  • IC, 4558 dual op amp
  • IC, 723 linear regulator
  • IC, 74LS04 hex inverter
  • IC, 74LS175 flip-flop
  • IC, 74LS26 quad NAND gate
  • IC, AD7523 8-bit D/A converter
  • IC, D8243 input/output expander
  • IC, LM301 op amp
  • IC, LM339N quad comparator
  • IC, MK50240N or MO83B top octave synthesizer chip
  • IC, NTE834/CA339/LM339 quad comparator
  • IC, SAD512 BBD chip
  • IC, TL081 op amp
  • IC, TL082 op amp
  • J-wire guide
  • J-wire guide
  • Key bracket, black key
  • Key bracket, white key
  • Key bushing
  • Key bushing kit, 61-note
  • Key bushings, bulk pkg (100)
  • Key return spring
  • Key return spring
  • Key return spring
  • Phaser board, Arp Quadra
  • Power cord, IEC
  • Screws, for keytops, pkg of 10
  • Slide potentiometer shaft
  • Slide potentiometer, 100KB
  • Slide potentiometer, 100KB
  • Slider knob, blue indicator, Arp
  • Slider knob, green indicator, Arp