C MAJOCT 0
C
SAW
PLAY120

Press a chord to start audio.

A W S E D R F chords 1–7 joystickZXC menusSpace joystick click
Instrument controls Sound, effects, loops & playing guide

Instrument

Joystick

Sound shaping

Instrument timbres are Web Audio interpretations. Piano, strings and other factory PCM sounds are synthesized approximations.

Four preset slots

MIDI output

Six-track looper

Click the joystick: waiting → record → loop. The first track sets the length; subsequent tracks sync to it.

Sequencer 0 / 16

Playing the hardware

Change key & octave
Gray, then joystick left/right for key or up/down for octave. Play a chord to leave the menu.
Sounds & effects
Yellow, then left/right for sounds. Up enters effects; left/right browse and up changes the value.
Quick select
Hold yellow + 1–7 for sounds, or red + 1–7 for modes. Hold gray + 1–6 in Arp for patterns; 7 changes layering.
Per-chord edits
Hold a chord, then gray/red to shift its octave or yellow to invert it. Hold a chord + joystick + yellow to lock its voicing.
Eight-way keyboard joystick
Combine arrow keys for diagonals. Space clicks. Hold Z, X or C with a chord key for hardware shortcuts.
Volume wheel
The ribbed wheel on the left edge controls volume. Hold gray for attack, yellow for release or red for filter cutoff.

Unofficial browser recreation, targeting the Rev 2.8 manual. Read the implementation & fidelity audit ↗