Not only did Opcode produce excellent MIDI software for the Macintosh but they also made the some of the best MIDI interfaces for the Mac to ever exist. It all started with the Opcode MIDIMAC back in 1986 and went on from there. Opcode Studio 3 MIDI Interface My first MIDI interface was the rack mount Opcode Studio 3 purchased back in 1991. hi there i was wondering if someone could tell me if the opcode studio 3 or 4 midi interfaces work on a pc? cheers Daniel Opcode studio 3 & 4 - Home Recording forums Help 1989 Opcode Systems Studio 3 Interface This is a great vintage MIDI interface/SMPTE synchronizer. The Opcode Studio 3 has: - 2 MIDI ins - 6 MIDI outs - 2 serial ports - MTC, DTL, SMPTE, and JamSync synchronization This unit is in excellent condition; I'm the original owner. It had studio use for 5 years, then careful storage for 20 years. Opcode Studio 3 For Sale. MIDI Interface. Currently sold out. Please use the "add to wishlist" button below so we can notify you when we have another available. standard MIDI interface connected to the Mac's modem port and/or its printer port. Enables OMS to work with an Opcode Studio 3, adding a Studio 3 menu to OMS Setup. See your Studio 3 manual for details. Enables OMS to work with an Opcode Studio 4, adding a Studio 4 menu to OMS Setup. See your Studio 4 manual for details. Just a quick showing of how the Opcode Studio 64x & Studio Vision work with multiple MIDI instruments. Motu Midi Express XT Walk Through / Video Manual Audio Interface Comparison If your dual port standard MIDI interface is a Studio 3, Opcode strongly recom-mends that you connect the Studio 3 modem port to the Studio 4 "B" port, and the Studio 3 printer port directly to the Macintosh (as shown in Figure 3.14). This is because the Studio 3 communi-cates with the Macintosh only over its printer port Network If your dual port standard MIDI interface is a Studio 3, Opcode strongly recom-mends that you connect the Studio 3 modem port