
Headrush Phaser & Flanger
Stone Phaser
Inspired by EHX® Small Stone
The Stone Phaser is an analog-style phaser inspired by the classics:
- MXR Phase 90 / 100
- Sound warm and musical
- Fluid movement
Main features:
- Vintage phaser
- Very expressive
- Excellent on cleans and crunches
It's the “iconic” phaser
SOUND CHARACTER
- Soft
- Heat
- Liquid
- Musical
Perfect for rock, funk, ambient
Control Parameters
SyncY/N
Sync Rate to BPM:
- Y → follows the tempo
- N → free control
RateHz / Picklist
Phaser Speed:
- 0.2–0.4 Hz → slow and deep
- 0.5–0.8 Hz → classic
- 1+ Hz → fast
Slow rate = more “liquid”
Depth%
Modulation intensity:
- Low → light
- Medium → obvious
- High → very pronounced
Check how much it “waves”
Feedback%
Signal reinsertion:
- 0–10% → soft
- 10–25% → classic
- 30%+ → more pronounced
Adds character
Stereo%
Amplitude:
- 0% → mono (vintage)
- 50% → medium
- 100% → very wide
Mix%
Effect Quantity:
- 15–25% → subtle
- 25–35% → standard
- 40%+ → dominant
Pro Tips
- You want classic → medium rate + medium depth
- You want subtle → low mix
- You want wide → loud stereo
- Want character → medium feedback
Universal setup:
- Rate: 0.4Hz
- Depth: 35%
- Feedback: 15%
- Mix: 25%
Perfect phaser always
Perfect chain:
- Phaser → Delay → Reverb
Movement + space
Quick Reference
- Sync: Sync tempo
- Rate (Hz): Speed
- Depth (%): Intensity
- Feedback (%): Character
- Stereo (%): Amplitude
- Mix (%): Amount
Setup Examples
Classic Phaser (top)
Rate0.4Hz
Depth35%
Feedback15%
Mix25%
Stereo50%
Perfect
Van Halen style
Rate0.3 Hz
Depth40–50%
Feedback20–30%
Mix25%
Iconic
Phaser subtle
Rate0.5 Hz
Depth25–30%
Feedback10%
Mix20%
Always on
Ambient phaser
Rate0.2 Hz
Depth50%
Feedback20%
Mix30%
Stereo80–100%
Very broad

