← op-1 firmware
01 — customize #249 all16/16 tape1/1 synths4/4 drums0/0 effects4/4 lfos1/1 sequencers2/2 scale mode1/1 system3/3 tape tape undo / redo ✓ in by maiko Hold TAPE and press ← or → to step back and forward through up to 7 recordings, lifts, drops and erases, with an undo / redo popup. History survives power off. synths supersaw ✓ in by pcppcp / op1r Detuned saw stack with its own chainsaw screen. Follows note velocity. fm bell ✓ in by pcppcp / op1r FM bell tones with their own bell screen. Follows note velocity. granular ✓ in by pcppcp / op1r Plays the slot's sample as grains. Press input on a granular slot to record straight into it. iter (lab screen) ✓ in by te, screen by pcppcp / op1r TE's hidden iter engine, unlocked, with an animated lab screen whose gauges and bubbles follow the knobs and your playing. drums No new drum engines yet. They'll show up here.
effects filter ✓ in by te, unlocked by op1r TE's filter effect, hidden in the stock firmware. tape echo ✓ in by pcppcp / op1r Vintage tape echo: time with tape-speed pitch bends, feedback up to self-oscillation, wow & flutter, age. Also works as master FX. clouds ✓ in by pcppcp / op1r Granular texture effect, a port of Mutable Instruments Clouds. Red press freezes. Also works as master FX. reverb ✓ in by pcppcp / op1r Lush plate / hall reverb, a port of the Mutable Instruments Elements reverb. Also works as master FX. lfos quad lfo ✓ in by pcppcp / op1r Four LFOs in one slot, per voice or free-running, synced to tempo or free, on engine, envelope or FX knobs. sequencers euclid ✓ in by pcppcp / op1r Six euclidean rhythm slots with 4 patterns, mutes and per-slot rate, gate and level. dots ✓ in by pcppcp / op1r Six step sequencers of up to 64 steps, with step and live recording, ratchets, chance and conditions. scale mode scale mode ✓ in by maiko Hold SHIFT on a synth's envelope page to pick a root (white knob) and scale (orange knob). The keyboard then only plays notes in the scale. system snapshot naming ✓ in by maiko Hold a sound key to name the snapshot on a tape-reel screen (up to 12 characters) instead of getting a date stamp. file screen ✓ in by maiko A FILE box on the COM screen that shows what's using the flash, plus a storage bar. op1r core: midi cc ✓ in by pcppcp / op1r op1r 12 itself: MIDI CC control of keys, knobs and mixer, and a hidden OP-Z controller mode. Every op1r item needs it. 16 of 16 picked · all · none
build op1_249.op1 ↓
your firmware is put together in your browser from the tested #249 build. install it like any op-1 update; to go back, install te's op1_246.op1 the same way. unofficial, not affiliated with teenage engineering. flash at your own risk.