ARP Quadra Guitars Amps and Pedals inputs are wired pin 1

inputs are wired pin 1 hot so may require custom-made cables to interface correctly with some equipment) and input level can be adjusted by a small screw dial (some crackling can occur on adjustment after long periods - use or Deoxit will rectify this)

This RE-501 appears to be an early pre-production unit as there are a significant number of differences between this machine and others that we have seen

they knew we must relentlessly study and faithfully recreate every last nuance

Serviced and in full working order

awesome and as good as a vintage op amp Muff should

ARP Quadra Guitars Amps and Pedals inputs are wired pin 1Fully overhauled and ready to ship. A rare chance to pick up such a truly iconic synth in exceptional condition inside and out.