
ReValver Amplifiers
25 ON-1 Lead
Inspired by HeadRush Original
The 25 ON-1 Lead is the most extreme channel of the series:
- High saturation
- Sustain long
- Excellent definition even with high gain
Main features:
- Modern distortion
- Perfect for leads and heavy rhythms
- Controlled response
Designed for modern rock and light metal
SOUND CHARACTER
- Distorted but defined
- Averages present
- Controlled lows
- Sustain fluid
Does not mix easily
BluesRockHard RockHeavy MetalMetalJazzFunkPopBass
Controls
High Gain
Activate the most powerful mode:
- Y → more saturation and compression N : more open lead
- It changes behavior dramatically
High
High frequencies:
- Low → softer
- High → sharper
Mid
Averages:
- Low → hollow sound High: more presence and definition
- Fundamental for the lead
Low
Low:
- Low → tight
- High → fuller
- Be careful not to overdo it
Presence
High finals:
- Low → dark
- High → bright
Resonance
Deep bass:
- Low → controlled High: more “punch”
Gain
Distortion level:
- 50–60% → light lead
- 60–75% → full lead
- 75%+ → high gain
Volume
Preamp Level:
- It affects dynamics and response
Output Level
Final volume:
- It does not alter the timbre
Pro Tips
BEHAVIOR
- Mid = definition
- Gain = saturation
- Presence = cut
- Resonance = depth
QUICK ADJUST
- You want definition: high mid
- You want tight: low low
- Want more gain: high gain ON
- You want presence: high presence
PRO TIP (VERY IMPORTANT)
Universal setup:
- High Gain: Y
- Gain: 65%
- High: 55%
- Mid: 60%
- Low: 45%
- Presence: 55%
- Resonance: 45%
Perfect live lead
PRO LEVEL MAKEUP
For perfect leads:
Light OD + short delay + reverb
professional sound
COMMON MISTAKE
use only the Lead and you lose dynamics
just use Clean + OD you lose character
FINAL TRUTH
This amp is designed like this:
Clean = base Crunch = heart Lead = climax
Setup Examples
Classic lead (perfect)
High GainY
Gain65%
High55%
Mid60%
Low45%
Presence55%
Resonance45%
Balanced lead
Modern lead
High GainY
Gain70–75%
High60%
Mid55%
Low45%
Presence60%
More aggressive
Hot lead
High GainN
Gain60%
High50%
Mid65%
Low50%
Presence50%
Softer
Rhythm heavy
High GainY
Gain65%
High55%
Mid50%
Low50%
Presence55%
Powerful rhythm

