AlphaTheta CHORDCAT
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Essential Information About the Chordcat Synthesizer
Essential Information About the Chordcat Synthesizer
- "Chord Cruiser" Mode: up to 110,000 suggested chord combinations for unique progressions.
- 8-track sequencer, 16 patterns, and 128 steps to structure complete songs.
- Creative control via XY pad and 3 built-in effects: arpeggiator, delay, ducker.
- Full MIDI and USB-C connectivity, battery or USB power for playing anywhere.
Manufacturer Information
AlphaTheta
https://www.alphatheta.com
------------------------
Safety manager:
AlphaTheta EMEA Limited Belgiu
Email: service@alphatheta.com
Address:
A Modern Groovebox Focused on Harmony
Designed to unlock harmonic writing, Chordcat combines intelligent chord assistance with a compact, immediate sequencer. It positions itself as a composition-oriented groovebox, ideal for quickly finding inspiring chord progressions and then transforming them into finished tracks without a computer.
For Beatmakers, Producers, and Performers
Accessible to beginners as well as experienced musicians, Chordcat suits styles like house, future bass, pop, lo-fi, ambient, or soundtracks. In the studio, on stage, or during mobile jams, it offers a smooth workflow: choose a key, follow chord suggestions, sequence your ideas, and arrange in real time.
Technical specifications
| Category | groovebox | Number of Midi tracks | 8 |
| Sampler | No | MIDI I/O | IN, OUT, THRU (DIN), MIDI PAR USB |
| Technology | digital | USB to Host port | Yes |
| Synthesis type | Digital, sampling, PCM, Subtractive | Inputs | USB, Midi |
| Number of audio tracks | 8 | Outputs | USB, headphone, Midi, 2 x jack |
| 18 " Chordsets " | 13 inspired by genres (house, future bass, etc.) and 5 basic chord presets. | XY pad for controlling 3 effects | Arpeggiator, delay, ducker. |
| Harmonic settings | key and scale, with compatibility indication via LED. | Connections | MIDI IN, MIDI OUT/THRU, USB Type-C. |
| Tracks | 8, with independent volume and panning. | DAW integration | PC/Mac. |
| Patterns per track | 16. | External equipment control | yes. |
| " Pattern Chain " function | yes. | Sequence import/export | via " Chordcat Manager " (free download announced for March 2025). |
| Sequencer steps | 128 (8 bars), organized into 8 pages of 16 steps. | Power supply | DC 5 V, 500 mA (via USB bus) or 6 AA/LR6 alkaline batteries. |
| " Running Direction " function | right, down, clockwise, counterclockwise playback. | Battery life | approximately 5 hours with alkaline batteries (varies depending on usage). |
| Built-in sound presets | 145. | Maximum dimensions (W x D x H) | 274 x 111 x 33 mm / 9.72 x 4.37 x 1.30 in. |
| Built-in drum kits | 16. | Weight | 0.4 kg / 0.9 lb. |
| Filter | low-pass. | Included accessories | USB cable (C to C), warranty (depending on region), quick-start guide, safety precautions. |
| Envelope | amplification. | ||
Questions frequently asked
Can the Chordcat help create chord progressions?
The Chord Cruiser mode chains compatible chords and suggests the next chord after confirmation. The 18 Chordsets include 13 genre-inspired sets and 5 basic chord presets.
How many tracks and patterns are available?
The groovebox features 8 tracks, each with level and panning controls. Each track can hold 16 patterns, programmable over 128 steps, corresponding to up to 8 measures.
What MIDI connectivity is available?
MIDI DIN IN, OUT, and THRU ports are included, as well as USB-C MIDI. This connectivity allows control of external synthesizers and integration with DAW software.
Can it be used without a computer and on batteries?
Power options include 6 AA batteries or a USB-C source. Battery life is approximately 5 hours with alkaline batteries, depending on usage.
What sounds and effects are included?
The digital engine provides 145 presets and 16 drum kits, with a low-pass filter and amplitude envelope. An XY pad controls the arpeggiator, delay, and ducker.



