85 M-2 Lead
Headrush Amplifiers

85 M-2 Lead

Inspired by Mesa/Boogie Mark IIc+ (Drive)

The model 85 M-2 Lead is a high-gain amplifier designed for rock, hard rock and metal, with a bright and defined sound, perfect for punchy leads and powerful crunch:

  • Powerful and dynamic sound
  • Comprehensive EQ controls to shape your tone
  • Adjustable drive to go from light crunch to full distortion
  • Master Volume and Output Level to control pressure and boost

Ideal for humbucker or single coil guitars that need definition and cut in the mix.

BluesRockHard RockHeavy MetalMetalPopCountryBass

Controls

Bright

Activate the high frequency boost:

  • Y → brighter and sharper sound
  • N → softer and fuller sound
Treble

Control the high frequencies:

  • Low → smooth sound
  • High → bright and punchy
Middle

Control the mid frequencies:

  • Low → natural scoop
  • High → more body and presence
  • Fundamental for standing out 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
Volume

Controls the overall level of the channel:

  • Low → controlled sound
  • High → more body and punch
Drive

Controls channel saturation:

  • Low → light crunch
  • High → full distortion
  • Interacts with Master Volume for sustain and compression
Master Volume

Controls the overall power of the amplifier:

  • Low → less pressure
  • High → more push
  • Allows you to adjust the overall feel without changing the timbre
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

  • Bright and punchy sound, ideal for powerful leads and crunches
  • Modular drive for slightly crunchy clean sounds up to full distortions
  • Full EQ to tailor the sound to any guitar or live/studio situation

Advice:

  • Bright + Treble high → sharp sound for lead
  • Middle medium-high → maintains body and presence
  • Controlled bass → avoids muddying with high drive
  • Volume + Master Volume → adjusts the boost without altering the timbre

Final advice:

  • High Bright + High Treble → punchy lead sound
  • High drive + moderate Master Vol → full but controlled distortion
  • Middle and Presence → balance body and definition

Setup Examples

Crunch rock / powerful rhythm

BrightN
Treble55%
Middle55%
Bass50%
Presence55%
Volume60%
Drive50%
Master Vol60%
Output Level0dB

Brilliant lead/lead

BrightY
Treble65%
Middle55%
Bass50%
Presence60%
Volume65%
Drive70%
Master Vol65%
Output Level+1 dB

Hard rock / full distortion

BrightY
Treble70%
Middle50%
Bass55%
Presence65%
Volume70%
Drive80%
Master Vol70%
Output Level+2 dB

Slash – “Classic Rock Lead”

BrightY
Treble65%
Middle55%
Bass50%
Presence60%
Volume65%
Drive60%
Master Vol65%
Output Level+1 dB

Description: Bright, punchy sound, perfect for melodic solos and classic rock riffs with moderate sustain.

Zakk Wylde – “Heavy Crunch / Metal”

BrightN
Treble60%
Middle50%
Bass65%
Presence65%
Volume70%
Drive80%
Master Vol70%
Output Level+2 dB

Description: Powerful, dense and aggressive sound, perfect for palm-muting, heavy rhythms and metal leads.

Paul Gilbert – “Shredding Lead”

BrightY
Treble70%
Middle55%
Bass50%
Presence65%
Volume70%
Drive75%
Master Vol70%
Output Level+2 dB

Description: Crisp, defined sound, ideal for shredding, Legato and complex arpeggios with great clarity on high notes.

Quick Tips:

  • Slash → melodic lead, moderate crunch
  • Zakk Wylde → heavy rhythm, high sustain, aggressive gain
  • Paul Gilbert → clear lead, definition and speed