klavis/quadigy

Quadigy

Klavis

A quad 7-stage envelope generator with presets, cycling, morphing, and a 156-point CV matrix, designed for live performance with two operating modes for full or simplified control.1157

Capabilities 3

Clock Sourceclock-source
An envelope in cycle mode can be configured as a clock/pulse generator by setting attack and release to zero with a defined cycle filling and tempo.1157
Envelope Generatorenvelope-generator
Quad 7-stage envelope generator with pre-delay, hold, attack, punch, decay, sustain, and release stages, each with curve shaping, per-channel output level, inversion, and a 156-point CV modulation matrix.1157
LFOlfo
Any envelope channel can function as an LFO via cycle mode, with waveshaping of attack and release curves to produce triangle, saw, trapezoid, or custom shapes.1157

Jacks 11 (7 in / 4 out)

NameSignalVoltageDescription
Inputs (7)
CV Acv-5V to 5V1157
CV Bcv-5V to 5V1157
Clock Inputclock≥2.8V1157
Gate/Trigger 1gate≥1.8V1157
Gate/Trigger 2gate≥1.8V1157
Gate/Trigger 3gate≥1.8V1157
Gate/Trigger 4gate≥1.8V1157
Outputs (4)
Output 1cv0V to 8V1157
Output 2cv0V to 8V1157
Output 3cv0V to 8V1157
Output 4cv0V to 8V1157

Parameters 20

NameTypeRangeBehavior
AttackfaderTime for the envelope to rise from zero to its maximum level. If the gate or hold ends before maximum is reached, the envelope jumps immediately to release from the current level.1157
Curve ShapefaderIndependently shapes the curve of attack, decay, and release between logarithmic and exponential, passing through linear at the midpoint. The classic analog exponential decay is achieved at approximately 70%.1157
DecayfaderTime to fall from maximum level to sustain level after punch completes. When punch duration is zero, decay follows immediately after attack. If gate or hold ends before sustain is reached, envelope jumps to release.1157
Fillingmenu_settingSets how much of a cycle the envelope occupies. At 100% the envelope fills exactly one cycle; below 100% adds a gap after the envelope; above 100% causes overlap with the next cycle. Does not change the cycle duration itself.1157
Full Attackmenu_settingWhen on, a started attack always completes even if the gate or hold ends early; punch is included. In trigger mode, attack is always full regardless of this setting.1157
Global Morph Timemenu_setting0s – 120s1157
Global Timefader0% – 800%A timing multiplier applied to all envelope stage durations simultaneously. At 100% (mid-fader), each stage can reach up to 30 seconds; at 800%, stages can reach up to 4 minutes. At 0%, all envelopes are reduced to a pulse.1157
HoldfaderA virtual gate extension that begins with the Attack phase. If the actual gate is longer than Hold, Hold has no effect. When Hold extends beyond the gate, the envelope remains in sustain until Hold ends, then moves to release.1157
Invert Outputmenu_settingWhen enabled, flips the polarity of the envelope output. The signal remains unipolar positive; no negative voltages are produced.1157
Morph Timemenu_setting0s – 120sPer-preset duration for transitioning all continuous and CV settings from the current preset to a newly called one. Active only in Live mode when Global Morph mode is off. Read from the target preset.1157
Offsetmenu_settingPositions the envelope's start point within a cycle. The cycle is divided into 12 equal steps, allowing multiple envelopes to be staggered relative to each other.1157
Output Levelfader≤8VSets the peak voltage of the envelope output. CV control of this parameter acts as a virtual VCA per envelope channel.1157
Pre-DelayfaderDelays the start of the entire envelope as if the gate arrived later; the end of gate is not delayed. When longer than the gate signal, no envelope occurs. In cycle mode, its percentage is independent and added to the cycle duration.1157
PunchfaderA hold phase at maximum level following the attack, before decay begins. If gate or hold ends before punch completes, the envelope moves immediately to release.1157
ReleasefaderTime to fall from the current level to zero. Triggered as soon as both the gate and hold durations have ended.1157
SustainfaderThe steady-state level held after attack, punch, and decay phases complete, provided the gate or hold is long enough to reach this point.1157
Tempomenu_setting1BPM – 300BPM1157
Transitionmenu_settingDetermines whether a retriggered attack starts from the current envelope level (Join) or resets to zero first (Restart). The attack duration is unaffected; only the slope changes.1157
Trigger Modemenu_settingSelects whether the envelope responds to a gate (duration tracks gate length) or a trigger (envelope runs its full course automatically through all phases).1157
User KnobknobBipolar manual CV source (negative to zero to positive) that can be assigned in the CV matrix to any modulation destination. At the midpoint it outputs zero, indicated by double off-blips on its LED.1157

Firmware history 10 versions

VersionReleasedNotes
1.28Adds perfect analog curve emulation and improved processing performance.1157
1.27Improves the contrast of the LEDs.1157
1.25Functionally identical to V1.23; released for manufacturing purposes.1157
1.23Various fixes and subtle improvements.1157
1.22Adds Global Time and Cycle display improvements.1157
1.19Fixes the EG phase sequence LED indication.1157
1.15Rearranges presets and the run-through demo.1157
1.141157
1.12Improves the dynamic rendering of envelope curves.1157
1.10Bug fixes plus: LED dimming, screensaver, improved rendering engine, manual gate for editing check, quad control enrichment with tempo and div/mult factor, and several UI tweaks.1157

References 2

  1. [1157]
    Klavis Quadigy User Manual V1.5manual
    verified 2026-06-08
  2. [1158]
    Klavis Quadigy product pageproduct_page
    verified 2026-06-08