
Headrush Amplifiers
11 EPB II Crunch
Inspired by 2011 ENGL Powerball II
The model 11 EPB II Crunch it is designed to deliver warm, dynamic and powerful crunch, ideal for:
- Blues rock, hard rock and vintage leads
- Full-bodied and defined rhythms
- Sounds with great touch response
Compared to the Clean version, this channel offers more gain, more compression and more punch, while maintaining musicality.
BluesRockHard RockHeavy MetalJazzFunkPopCountryBass
Controls
Bright
Activate the high frequency boost:
- Y → more attack and brilliance
- N → warmer and softer sound
Bottom
Activates the emphasis on low frequencies:
- Y → more depth and body
- N → tighter lows
- Useful for making the sound fuller
Mid Boost
Increases mid frequencies:
- Y → more present and “in your face” sound
- N → more balanced Excellent for leads and live mixes
Treble
Control the high frequencies:
- Low → soft sound
- High → bright and defined
Middle
Control the mid frequencies:
- Low → scooped sound
- High → more body and presence
Bass
Control the low frequencies:
- Low → tight and controlled
- High → full and powerful
Presence
Control the final brilliance:
- Low → soft sound
- High → more aggressive and open
Deep Punch
Controls the power amp's low-end response:
- Low → more controlled lows
- High → more “thump” and impact Fundamental for powerful rhythms
Gain
Control saturation:
- Low → light crunch
- Medium → full crunch
- High → vintage distortion
Gate
Control the noise gate:
- Low → natural but more noise
- High → quieter but less sustain
- Useful with high gain
Master
Controls the final volume of the amplifier:
- Low → less pressure
- High → more body and dynamics
Output Level
Controls the overall final volume:
- Negative → attenuation 0 d
- B → neutral
- Positive → boost
Pro Tips
BEHAVIOR OF THE AMPLIFIER
- Warm but powerful crunch
- Excellent presence in the medium
- Controlled bass with Bottom and Deep Punch
- Very dynamic and musical sound
Advice:
- Mid Boost ON → perfect leads
- Bottom + Deep Punch → more body and impact
- Gate → cleans the high gain sound
- Medium gain → sweet spot rock
Final advice:
- Mid Boost ON → perfect leads
- Bottom + Deep Punch → big and powerful sound
- Medium-high gain → ideal rock crunch
- Perfect for rock, blues rock and driven vintage leads
Setup Examples
Crunch blues rock
BrightN
BottomN
Mid BoostNo
Treble55%
Middle60%
Bass50%
Presence55%
Deep Punch50%
Gain55%
Gate10%
Masters65%
Output Level0dB
Powerful rock / rhythmic
BrightY
BottomY
Mid BoostNo
Treble60%
Middle55%
Bass55%
Presence60%
Deep Punch65%
Gain65%
Gate20%
Masters70%
Output Level+1 dB
Lead crunch/solo
BrightY
BottomN
Mid BoostY
Treble65%
Middle65%
Bass50%
Presence60%
Deep Punch55%
Gain70%
Gate25%
Masters70%
Output Level+2 dB

