Stereo Doubler
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