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Instruō

A high-resolution quantiser, precision adder, MIDI-to-CV interface, and USB MIDI Host in a small 4 HP format, with an included 2 HP MIDI expander.900

Capabilities 4

CV Utilitycv-utility
900
MIDI to CVmidi-to-cv
In MIDI-to-CV Interface mode, functions as a monophonic MIDI interface producing 1V/octave pitch CV (including pitch bend), gate, and trigger signals from MIDI note input via USB or TRS MIDI.900
Precision Adderprecision-adder
Signals at the Signal Throughput input sum with the quantised CV output; chromatic intervals can be programmed as offsets applied immediately without quantiser latency.900
Quantizerquantizer
Multi-octave bipolar quantiser engine with onboard and MIDI-programmable scales; supports chromatic interval activation, preset major/minor scales, and natural/equal distribution modes.900

Jacks 8 (5 in / 3 out)

NameSignalVoltageDescription
Inputs (5)
CVcv-10V to 10VBipolar CV input that feeds the quantiser engine; the incoming voltage is quantised to the programmed scale.900
ClkclockExternal clock input that gates a sample-and-hold after the quantiser engine; AND logic means the output updates only when both a new note is ready and a rising edge is received.900
Expansion Back Jackmixed3.5mm TRS jack on the back of the main module used to connect to the MIDI expander via the included cable.900
Incv-10V to 10VBipolar CV input that sums with the quantised CV and the precision adder bias at the Output; used for transposition.900
MIDI Expander TRS MIDI InputmixedTRS MIDI input on the expander module accepting Type A or Type B (switchable) adapters; connects a DAW or MIDI controller for MIDI-to-CV and scale programming.900
Outputs (3)
Gate OutputgateOutputs a gate high for the duration of a sustained MIDI note received via the expander's USB or TRS MIDI input; used in MIDI-to-CV mode.900
Outcv-10V to 10VBipolar CV output carrying the sum of the quantised CV input, the signal throughput, and the precision adder offset.900
Trigger Outputtrigger≤5VFires a 5V trigger pulse each time the quantised output voltage changes; also fires when a rising edge at Clk coincides with a new note.900

Parameters 5

NameTypeRangeBehavior
A|B SwitchswitchSelects TRS MIDI Type A or Type B adapter compatibility on the expander's TRS MIDI input; shipped set to Type A.900
Button 1buttonMulti-purpose button: in Programming Interface activates/deactivates quantiser intervals and fills; in Quantiser Interface offsets output negatively by octaves (up to -9V); in Precision Adder Interface provides negative chromatic offset (up to -9V).900
Button 2buttonMulti-purpose button: in Programming Interface activates/deactivates precision adder intervals and fills; in Quantiser Interface offsets output positively by octaves (up to +9V); in Precision Adder Interface provides positive chromatic offset (up to +9V).900
Interface Selection ToggleswitchThree-position toggle selecting between Programming Interface (left), Quantiser Interface (centre), and Precision Adder Interface (right).900
SliderfaderMulti-purpose fader: navigates chromatic intervals in Programming Interface; sets global slew amount in Quantiser and Precision Adder Interfaces; used in preset scale selection gestures.900

Firmware history 0 versions

No firmware history recorded.

References 2

  1. [900]
    Instruō dàil User Manualmanual
    verified 2026-05-24
  2. [901]
    Instruō dàil product pageproduct_page
    verified 2026-05-24