
Headrush Delay
Stereo Doubler
Inspired by Stereo Doubler (HeadRush® Original)
The Stereo Doubler simulates the effect of:
- Two guitars played together
- Double track in the studio (double tracking)
- Wider and fuller sound
Main features:
- No perceivable delay
- Effect natural stereo
- “Bigger” sound without muddying
It is one of the most “invisible but powerful” effects
SOUND CHARACTER
- Sound wider and thicker
- Slight time misalignment
- No obvious repetition
- Natural effect
Perfect for live and recording
Control Parameters
Intensity%
Effect quantity:
- Low → slight widening
- Medium → realistic double track
- High → noticeable effect
Controls “how much” the sound doubles
Separationms
Time difference between L and R:
- 5–10 ms → natural
- 10–20 ms → wider
- 20+ ms → noticeable effect
It is the heart of the doubler
Width%
Stereo Width:
- 0% → mono
- 50% → moderate stereo
- 100% → ultra wide
Determines how much the sound opens up
Pro Tips
- Want more width → increase Width
- Want more realism → Separation 8–12 ms
- Want strong effect → increase Intensity
Universal sweet spot:
- Intensity: 40%
- Separation: 10–12 ms
- Width: 70%
Studio-ready sound
Perfect chain:
- Doubler → Delay → Reverb
Giant, three-dimensional sound
Quick Reference
- Intensity (%): Effect quantity
- Separation (ms): Time difference
- Width (%): Stereo width
Setup Examples
Always-on (perfect live)
Intensity35–45%
Separation10 ms
Width60%
Bigger sound without going overboard
Clean wide
Intensity40–50%
Separation12–15 ms
Width80%
Stereo open
Big lead
Intensity50–60%
Separation10–12 ms
Width70%
More presence
Ambient huge
Intensity60–70%
Separation15–20 ms
Width100%
Huge sound

