Boss GX-100 settings
Holy Wars settings for Boss GX-100
Megadeth · adapted 13 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Boss GX-100, use the Recti Stack amp model on the lead channel, then set Drive 8, Master 7, Bass 5, Mid 4, Treble 7, Presence 6. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Yamaha Revstar · updated 2026-10-24
- Amp model
- Recti Stack
- Channel
- Lead
- Cab
- 4x12 closed back
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Amp block
- Drive
- 8
- Master
- 7
- Bass
- 5
- Mid
- 4
- Treble
- 7
- Presence
- 6
- Original drive
- 8
Effects chain
- 1distortionMT-2Gain 8 · Tone 7 · Level 7
- 2noise gateNoise GateRelease 3 · Threshold 5
- 3overdriveSD-1Gain 4 · Tone 5 · Level 7
Playing tips
- Use aggressive palm muting to achieve tight, percussive sound.
- Focus on crisp pick attack for articulation in fast riffs.
- Maintain a staccato feel to enhance the rhythmic drive of the riff.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Boss GX-100 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 GX-100 for Holy Wars?
Use the Recti Stack (lead channel) with Drive 8, Master 7, Bass 5, Mid 4, Treble 7, Presence 6, followed by MT-2, Noise Gate, SD-1.
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 Yamaha Revstar. 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 GX-100
- Sweet Child O' Mine · Guns N' Roses
- Master of Puppets · Metallica
- Hotel California · Eagles
- Enter Sandman · Metallica
- Crazy Train · Ozzy Osbourne
- Welcome to the Jungle · Guns N' Roses
- Walk · Pantera
- Back in Black · AC/DC
- Highway to Hell · AC/DC
- Raining Blood · Slayer
- Whole Lotta Love · Led Zeppelin
- Take Me Out · Franz Ferdinand
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.