Positive Grid BIAS FX 2 settings
Holy Wars settings for Positive Grid BIAS FX 2
Megadeth · adapted 7 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Positive Grid BIAS FX 2, use the British Lead 800 (Marshall JCM800) 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
updated 2026-10-18
- Amp model
- British Lead 800 (Marshall JCM800)
- Channel
- Lead
- Cab
- 4x12 closed back
- 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
- 1distortionPainkillerGain 8 · Tone 6 · Level 7
- 2noise gateNoise GateRelease 4 · Threshold 5
- 3overdrivePower BoosterGain 4 · Tone 5 · Level 8
Playing tips
- Focus on tight palm muting for a percussive attack.
- Use aggressive picking to achieve the sharp articulation.
- Maintain a fast, staccato playing style for the riff.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid BIAS FX 2 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 Positive Grid BIAS FX 2 for Holy Wars?
Use the British Lead 800 (Marshall JCM800) (lead channel) with Drive 8, Master 7, Bass 5, Mid 5, Treble 7, Presence 6, followed by Painkiller, Noise Gate, Power Booster.
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?
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 Positive Grid BIAS FX 2
- Master of Puppets · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Walk · Pantera
- Enter Sandman · Metallica
- Raining Blood · Slayer
- Welcome to the Jungle · Guns N' Roses
- Crazy Train · Ozzy Osbourne
- Hotel California · Eagles
- The Warrior · Orphaned Land
- Stairway to Heaven · Led Zeppelin
- Whole Lotta Love · Led Zeppelin
- Universe (Gravity For Hearts) · Helloween
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.