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Add synth engines, sequencers and tape tools to the OP-1
OP1r patches the original OP-1 with new synth engines and effects, a four-part LFO, Euclidean sequencing, sample editing and extra tape controls. You supply the official R246 firmware image and use the project’s patcher to create the update.
This is experimental firmware for the original OP-1 only. Its own source is GPL-licensed with permission to combine it with the OP-1 firmware; the proprietary base firmware is not included or covered by that license. Back up your tapes and patches and keep the official image for recovery.

Teenage Engineering OP-1 and OP-Z
OP-1 original (partly)
Requires your official R246 image; experimental
How did it go? Tips, problems, questions…
Add synth engines, sequencers and tape tools to the OP-1
OP1r patches the original OP-1 with new synth engines and effects, a four-part LFO, Euclidean sequencing, sample editing and extra tape controls. You supply the official R246 firmware image and use the project’s patcher to create the update.
This is experimental firmware for the original OP-1 only. Its own source is GPL-licensed with permission to combine it with the OP-1 firmware; the proprietary base firmware is not included or covered by that license. Back up your tapes and patches and keep the official image for recovery.
pcppcp
On GitHub

Teenage Engineering OP-1 and OP-Z
OP-1 original (partly)
Requires your official R246 image; experimental
Feedback
How did it go? Tips, problems, questions…