Gamma G25 settings
Holy Wars settings for Gamma G25
Megadeth · adapted 6 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Gamma G25, set Gain 7.5, Bass 5, Mid 5.5, Treble 7. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Ibanez Gio GRGR120EX · updated 2026-09-29
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Gamma G25 knobs
- Gain
- 7.5
- Bass
- 5
- Mid
- 5.5
- Treble
- 7
Playing tips
- Focus on tight palm muting for a percussive attack.
- Use aggressive pick attack for articulation.
- Maintain a fast, staccato riffing style.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Gamma G25 actually has.
- Guitar
- Jackson KV Pro Dave Mustaine Signature (likely with Bill Lawrence L-500XL bridge pickup)
- Amp
- Marshall JCM800 2203 head into DeCuir 4x12 cabinet with Celestion speakers
- Gain
- 7.5
- Bass
- 5
- Mid
- 5.5
- Treble
- 7
- Presence
- 6.5
- Reverb
- 0
Different guitar or pedals? Get Holy Wars adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Megadeth's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What are the best Gamma G25 settings for Holy Wars?
Set Gain 7.5, Bass 5, Mid 5.5, Treble 7.
Which pickup should I use for Holy Wars?
Bridge pickup, with the guitar's tone at 10 and volume at 10.
What gear did Megadeth use on Holy Wars?
Guitar: Jackson KV Pro Dave Mustaine Signature (likely with Bill Lawrence L-500XL bridge pickup). Amp: Marshall JCM800 2203 head into DeCuir 4x12 cabinet with Celestion speakers.
Will these settings work with my guitar?
These settings were adapted for a Ibanez Gio GRGR120EX. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Holy Wars on other amps
Popular songs on the Gamma G25
- Master of Puppets · Metallica
- Walk · Pantera
- Smells Like Teen Spirit · Nirvana
- Sweet Child O' Mine · Guns N' Roses
- Raining Blood · Slayer
- Hotel California · Eagles
- Whole Lotta Love · Led Zeppelin
- Iron Man · Black Sabbath
- Enter Sandman · Metallica
- Creep · Radiohead
- 1979 · The Smashing Pumpkins
- Highway to Hell · AC/DC
Settings are generated by ToneAdapt's tone adaptation for the gear named on this page and are a starting point — every amp, guitar and room is a little different.