Performance
Authentic strumplate response
Smooth, continuous strumming with immediate musical feedback, designed to feel closer to real hardware than a generic synth pad.
Digital instrument project
Omnichord Heaven OH-27
Available now for Android phone and tablet
Rediscover the magic of the classic Omnichord, now fully playable as a modern digital instrument. The OH-27 captures the sound, charm and feel of the original Suzuki experience in a retro-styled format.
Although it cannot replace owning a real Omnichord, especially the OM-108, it is a strong in-road for new players and a travel-friendly companion for existing owners.
- Authentic strumplate performance with real-time response.
- Full 27 chord system with instant switching between major, minor and 7th.
- Custom sound engine with chord, bass and layered strum voices.
- Built-in three-channel MIDI output.
The Omnichord reimagined
Retro character, modern touch control.
The OH-27 by Omnichord Heaven brings the unmistakable charm, sound and feel of the legendary Suzuki Omnichord into a retro digital instrument that is ready for phone and tablet play.
Whether you are a seasoned musician or just exploring, the OH-27 invites you to touch, strum and create. The page is no longer hidden away from the rest of the site, and the Android release now gives the project a proper public home.
Chord system
Full 27 chord layout
Major, minor and 7th chords are always within reach, with seamless switching while you play.
Sound engine
True Omnichord flavour
Custom waveform design, multi-voice strum layers, organ-style chord bed and deep bass accompaniment create a rich, warm and unmistakably classic tone.
Touch and MIDI
Modern control without losing the soul
Unified touch, mouse and stylus support sits alongside built-in three-channel MIDI output for external synths, DAWs and hardware.
Visual styles
Choose a look, then strum.
The OH-27 keeps the familiar Omnichord layout visible while allowing different visual styles and custom skins. Use the controls below to view each screenshot one at a time.
Menu options
Settings without spoiling the simplicity.
The menu gathers the practical options in one place, so the instrument can stay immediate and playable on the main screen.
- Choose visual styles and custom skin options.
- Adjust chord button size for different screens and playing styles.
- Configure MIDI output for external synths, DAWs and hardware.
- Fine-tune playability without losing the Omnichord feel.
Technical specification
How the OH-27 is built.
| Audio engine | Web Audio API, tuned for fast response. |
|---|---|
| Voices | 13 strum voices plus chord and bass layers. |
| Oscillators | Always-running for zero-latency triggering. |
| Envelope | Instant attack with linear decay of about 1.4 seconds. |
| Waveform | Custom PeriodicWave with an Omnichord-style harmonic profile. |
| Input system | Pointer-based and multi-touch capable. |
| MIDI | Real-time output with multi-channel support. |
| Compatibility | Android phones and tablets, with more platforms planned. |
Hardware behaviour
The feel matters as much as the sound.
- Natural note decay rather than synthetic sustain.
- HOLD function for sustained chords.
- Instant off for precise control.
- Dynamic volume control.
- Subtle analogue-style variation, warmth and compression.
Why the OH-27?
This is not just another synth.
It is a faithful digital instrument, carefully built to capture the feel of strumming, the response of real hardware and the soul of the Omnichord.
From ambient textures to songwriting, from nostalgia to new ideas, the OH-27 is designed to be an instrument in its own right.