MIDIROCK.XYZ
Troubleshooting

Teenage Engineering OP-1 original fixes

Choose your symptom and work through the checks. Each guide includes its sources and any testing limits.

Manufacturer documented
Original OP-1 won’t follow USB MIDI clock
The tempo stays independent of the computer or USB MIDI master.Manufacturer documented
Original OP-1 ignores notes from a USB MIDI track
The USB connection is present, but incoming notes do not play the expected instrument.