Headrush Compressor
Gray Comp
Inspired by Ross® Compressor
The Gray Comp is a compressor inspired by classic pedals MXR Dyna Comp / Ross Compressor.
Main features:
Compression simple and musical
- Sound vintage and “racy”
- Strong increase in sustain
- Light coloration on the mediums
It's the classic “country/funk/vintage rock” compressor
SOUND CHARACTER
- Compression evident and colourful
- Slightly “squeezed” attack
- Very pronounced sustain
- Slight boost on mids
It's not transparent → it's an "effect"
Control Parameters
Sustain%
Controls the amount of compression and sustain:
- Low → light effect
- Medium → noticeable compression
- High → long sustain + compressed sound
It's the heart of the pedal
Level%
Output volume:
- Low → attenuation
- High → boost
It is used to compensate or push the amp
Pro Tips
- More sustain → raise Sustain
- More dynamics → lower Sustain
- Right volume → adjust Level
Sweet spots:
- Sustain: 50–60%
- Level: 60%
Classic and balanced sound
Quick Reference
- Sustain (%): Compression + sustain
- Level (%): Output volume
Setup Examples
Country / chicken picking
Sustain60–70%
Level60%
Defined attack + sustain
Compressed clean (funk/pop)
Sustain50–60%
Level55–60%
Uniform groove
Vintage leads
Sustain65–75%
Level65%
Sustain long and soft
Always-on lightweight
Sustain30–40%
Level55%
Light control