TETRAD is a four-oscillator digital voice built to explore the harmonic and subharmonic relationships between frequencies. Starting from a single fundamental pitch, each oscillator can be offset along the harmonic series, the subharmonic series, or by fixed tuning offsets, unlocking everything from rich chords and shimmering arpeggios to dense microtonal clusters and animated super-saws.
With morphable waveshapes, user-editable chord banks, flexible envelope modes, and performance-oriented controls, TETRAD rewards both careful sound design and fearless experimentation. Built-in Wi-Fi editing allows you to customise and save harmonies directly from your browser, while hands-on front-panel editing keeps creative flow uninterrupted during live performance.
Key Features
Four digital oscillators with harmonic, subharmonic, and detune offset modes
16 waveshapes (morphable between sine, triangle, saw, and square)
Harmony dial with 16 slots per bank × 16 banks (user-editable via Wi-Fi or on-panel)
Chord save/delete functions with non-volatile memory storage
Flexible envelope section with AR, ASR, and Cycling (LFO) modes
Unison, Solo, and Round-Robin oscillator triggering modes
Built-in low-pass filter with lock-mode pitch control
Mixed single-output design for instant integration into your patch
16-bit DAC output at 32kHz sample rate
Technical Specifications
Width: 20 HP
Depth: 20 mm
Power Draw: +12 V: 162 mA; +5 V: 0 mA; -12 V: 18 mA
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