O-Chorus Quick Reference
Parameters, presets, and troubleshooting at a glance
Parameters
Modulation
- Rate: 0.05-5.0 Hz — LFO modulation speed
- Depth: 0-100% — modulation intensity
Voices
- Voices: 1-8 — number of chorus voices
- Spread: 0-100% — voice delay-time distribution
Character
- Width: 0-100% — stereo spread of voices
- Tone: -100% to +100% — dark to bright filter
Output
- Mix: 0-100% — dry/wet blend
- Drive: 0-100% — BBD-style analog saturation
Factory Presets
| Preset | Description |
|---|---|
| Classic | Vintage 2-voice chorus — subtle, slow modulation |
| Lush | Rich 6-voice ensemble — slow, deep, wide spread |
| Shimmer | Bright 4-voice chorus — sparkling and airy |
| Ensemble | Dense 8-voice — full spread, maximum thickness |
| Vibrato | Pure pitch vibrato — single voice, 100% wet |
| Warm | Analog BBD — dark tone, high drive |
Knob Controls
| Action | Behavior |
|---|---|
| Click + drag up/down | Adjust value |
| Shift + drag | Fine adjustment |
| Double-click | Reset to default |
| Mouse wheel | Scroll to adjust |
System Requirements
| Platform | Details |
|---|---|
| macOS | macOS 10.13+ (Intel & Apple Silicon) |
| Windows | Windows 10+ (64-bit) |
| RAM | 4 GB min / 8 GB recommended |
| Formats | VST3, AU |
Troubleshooting
No chorus effect?
→ Check Mix and Depth are both above 0%. Try the Lush preset.
More voices don't sound different?
→ Increase the Spread parameter to distribute voice delay times.
Plugin not appearing?
→ Rescan plugins in DAW preferences. Check installation paths.
License won't activate?
→ Check internet connection. Verify format: OUA-XXXX-XXXX-XXXX
High CPU usage?
→ Try reducing voice count. Check DAW buffer size settings.