Boss GT-1000 settings
Holy Wars settings for Boss GT-1000
Megadeth · adapted 67 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Boss GT-1000, use the JUGGERNAUT (large-stack metal) amp model on the lead channel, then set Drive 8, Master 7, Bass 5, Mid 5, Treble 7, Presence 6. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Ibanez GIO GRX70QA · updated 2026-11-11
- Amp model
- JUGGERNAUT (large-stack metal)
- Channel
- Lead
- Cab
- 4x12
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Amp block
- Drive
- 8
- Master
- 7
- Bass
- 5
- Mid
- 5
- Treble
- 7
- Presence
- 6
Effects chain
- 1distortionRAT (Pro Co RAT)Volume 7 · Filter 5 · Distortion 8
- 2boostMID BOOSTGain 5 · Level 7
- 3noise gateNOISE SUPPRESSORRelease 4 · Threshold 5
Playing tips
- Focus on tight palm muting for a percussive attack.
- Use aggressive pick attack to achieve sharp articulation.
- Maintain a fast, staccato riffing style to replicate the original feel.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Boss GT-1000 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 amp model should I use on the Boss GT-1000 for Holy Wars?
Use the JUGGERNAUT (large-stack metal) (lead channel) with Drive 8, Master 7, Bass 5, Mid 5, Treble 7, Presence 6, followed by RAT (Pro Co RAT), MID BOOST, NOISE SUPPRESSOR.
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 GRX70QA. 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 Boss GT-1000
- Sweet Child O' Mine · Guns N' Roses
- Hotel California · Eagles
- Walk · Pantera
- Enter Sandman · Metallica
- Back in Black · AC/DC
- Stairway to Heaven · Led Zeppelin
- Crazy Train · Ozzy Osbourne
- Highway to Hell · AC/DC
- Iron Man · Black Sabbath
- Whole Lotta Love · Led Zeppelin
- Raining Blood · Slayer
- Smells Like Teen Spirit · Nirvana
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.