
Headrush Amplifiers
92 Treadplate Raw
Inspired by Mesa/Boogie Dual Rectifier (Raw)
The model 92 Treadplate Raw it is designed to deliver an aggressive, powerful and direct sound, ideal for modern metal, hard rock and heavy riffs:
- High gain and defined sound
- Full EQ to shape body, presence and shine
- Adjustable Master Volume and Output Level for total thrust control
- Perfect for humbucker guitars and heavy modern rhythms
“Raw” emphasizes aggression and punch, with direct and punchy distortion.
BluesRockHard RockHeavy MetalMetalPunkBass
Controls
Treble
Control the high frequencies:
- Low → softer sound
- High → bright and cutting
Middle
Controls the mid frequencies:
- Low → natural scoop
- High → more body and presence
- Fundamental for defining tone and presence in the mix
Bass
Control the low frequencies:
- Low → tight and controlled
- High → full and powerful
Presence
Controls the final brilliance:
- Low → soft sound
- High → sharper and more open Affects definition and “air” of the sound
Gain
Controls the overall saturation:
- Low → defined crunch
- High → aggressive and powerful distortion Interacts with Master Volume to modulate sustain and compression
Master Volume
Controls the overall volume of the amplifier:
- Low → controlled sound
- High → more punch
Output Level
Controls the final volume:
- Negative → attenuation 0 d
- B → neutral
- Positive → boost Does not alter the timbre
Pro Tips
BEHAVIOR OF THE AMPLIFIER
- Modern, aggressive and direct sound
- Modular gain → crunch or full distortion
- Modular EQ for body and shine
- Master Volume and Output Level allow precise thrust adjustment
Advice:
- Treble + Presence high → incisive and defined leads
- Middle medium → maintains body without muddying the gain
- Controlled bass → avoids excess low frequencies
- Gain + Master Volume → modulate sustain and aggression
Final advice:
- Treble + Presence high → punchy leads
- Middle medium + Controlled Bass → balanced body
- High Gain + Master Volume → full and defined distortion
Setup Examples
Defined modern riff/crunch
Treble55%
Middle50%
Bass50%
Presence55%
Gain60%
Master Vol65%
Output Level0dB
Aggressive lead / full distortion
Treble65%
Middle55%
Bass55%
Presence60%
Gain80%
Master Vol70%
Output Level+2 dB
Heavy rhythm / modern metal
Treble60%
Middle50%
Bass60%
Presence65%
Gain85%
Master Vol70%
Output Level+2 dB

