
Headrush Distortion & Fuzz
Black OP
Inspired by ProCo® Rat
The BLACK OP it's a pedal:
- Op-amp distortion
- More precise and defined
- More “tight”
Main features:
- Controlled high gain
- Fast attack
- More modern sound
More “surgical” version of Black Death
Control Parameters
Distortion%
Amount of gain:
- 30–40% → crunch
- 40–60% → distortion
- 60%+ → high gain
Cutoffs%
High filter (RAT type):
- Low → brighter
- High → darker
It works the opposite of a classic tone
Volume%
Pedal Volume:
- Adjust the output
Pro Tips
- More defined than Black Death
- Sharper on the highs
- Great for palm mutes
- More “tight”
Universal setup:
- Distortion: 60%
- Cutoff: 45%
- Volume: 60%
Perfect live sound
Quick Reference
- Distortion %: Gain
- Cutoff %: High (inverted)
- Volume %: Outputs
Setup Examples
Modern rock
Distortion55%
Cutoff45%
Volume60%
Balanced
Metal tight
Distortion60–65%
Cutoff40%
Volume60%
Precise attack
Lead defined
Distortion60%
Cutoff45–50%
Volume65%
Sustain + clarity
Aggressive crunch
Distortion45%
Cutoff40–45%
Volume60%
Very dynamic

