
ReValver Amplifiers
HeadRush – 05 Peavey 6505+ Crunch
Inspired by Peavey 6505+ (Crunch Channel)
The 6505+ Crunch it is the evolved version of the classic crunch:
- More defined
- Tighter
- More manageable
Main features:
- Modern rhythms
- Excellent note separation
- Less muddy than the 6505
Perfect for modern metal
SOUND CHARACTER
- Aggressive
- Tights
- Cleaner than 6505
- Controlled averages
Better for the mix
BluesRockHard RockHeavy MetalMetalPopCountryAcousticBass
Controls
Bright
Increases shine:
- Y → more attack
- N → hotter
- Useful for fast riffs
High
High:
- Low → soft
- High → aggressive
Mid
Averages:
- Low → scooped High: more presence
- Key to the mix
Low
Low:
- Low → tight
- High → fuller
Presence
High finals:
- Low → hot High : very aggressive
Resonance
Deep bass:
- Low → controlled
- High → more punch
- More manageable than the 6505
Pre Gain
Distortion:
- 50–60% → heavy crunch
- 60–70% → rhythm metal
- 70%+ → almost lead
Post Gain
General volume:
- It affects the feel
Output Level
Final volume:
- It does not alter the timbre
Pro Tips
BEHAVIOR
- More definition than the 6505
- More controlled bass
- Better response on palm mutes
- More effective EQ
QUICK ADJUST
- You want metal: medium-high gain
- Want attack: bright ON
- You want to stay in the mix: mid medium
- You want tight: controlled bass
PRO TIP (VERY IMPORTANT)
Universal setup:
- Bright: Y
- Pre Gain: 60–65%
- High: 60%
- Mid: 50%
- Low: 45%
- Presence: 65%
- Resonance: 50%
Perfect rhythm live
PRO LEVEL MAKEUP
Secret:
6505+ = less gain, more definition
COMMON MISTAKE
too much resonance, bloated sound
FINAL TRUTH
6505+ Crunch = modern, defined and controlled rhythm
Setup Examples
Rhythm metal (perfect)
BrightY
Pre Gain60–65%
High60%
Mid50%
Low45%
Presence65%
Resonance50%
Tight and modern
Modern scooped metal
BrightY
Pre Gain65–70%
High65%
Mid40%
Low50%
Presence70%
Resonance55%
Modern sound
Heavy rock
BrightN
Pre Gain60%
High55%
Mid60%
Low45%
Presence60%
More natural

