Opcode Studio 4 MIDI Interface No Power Supply Sold As Is With Cords

Opcode Systems Studio 3 MIDI Interface & Synchronizer -Working- Vintage Gear

Opcode MIDI Translator II Interface Mac MIDI Adapter Vintage Opcode Systems

Vintage OPCODE OMS STUDIO 4 MIDI Interface No Power Supply AS IS UNTESTED

Opcode Studio 3 Rack Mount Interface & Synchronizer Powers On For Parts/Untested

Opcode Systems Studio Plus Two Midi Interface for Mac Vintage

Opcode Studio 5 LX OMS MIDI Interface/Patchbay/Processor 15x15 + SMPTE Tested

OMS Studio 4 Midi Interface