Yamaha GA15 settings
Holy Wars settings for Yamaha GA15
Megadeth · adapted 5 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Yamaha GA15, set Bass 5, Mid 5.5, Treble 7, Drive gain 7, Clean volume 0, Drive volume 6. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Ibanez RG120 · updated 2026-10-22
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Yamaha GA15 knobs
- Bass
- 5
- Mid
- 5.5
- Treble
- 7
- Drive gain
- 7
- Clean volume
- 0
- Drive volume
- 6
- Drive clean switch
- 1
Playing tips
- Utilize tight palm muting for percussive attack.
- Focus on crisp pick attack for clarity in fast riffs.
- Maintain a staccato feel to enhance the aggressive nature of the riff.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Yamaha GA15 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 Yamaha GA15 settings for Holy Wars?
Set Bass 5, Mid 5.5, Treble 7, Drive gain 7, Clean volume 0, Drive volume 6.
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 RG120. 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 Yamaha GA15
- Master of Puppets · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Hotel California · Eagles
- Enter Sandman · Metallica
- Smells Like Teen Spirit · Nirvana
- Back in Black · AC/DC
- Walk · Pantera
- Welcome to the Jungle · Guns N' Roses
- Highway to Hell · AC/DC
- Stairway to Heaven · Led Zeppelin
- Crazy Train · Ozzy Osbourne
- Creep · Radiohead
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.