Fender Blues Junior IV settings
Holy Wars settings for Fender Blues Junior IV
Megadeth · adapted 2 times on ToneAdapt
To get the Megadeth "Holy Wars" riff tone on a Fender Blues Junior IV, set Gain 7.5, Volume 6, Master 6, Bass 5, Mid 4.5, Treble 7. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Jackson JS32 Kelly · updated 2026-10-19
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Fender Blues Junior IV knobs
- Gain
- 7.5
- Volume
- 6
- Master
- 6
- Bass
- 5
- Mid
- 4.5
- Treble
- 7
- Reverb
- 0
- Fat switch
- 1
Playing tips
- Focus on tight palm muting for a percussive attack.
- Use aggressive pick attack to enhance articulation.
- Maintain a staccato feel in your riffing for clarity.
The original rig
What Megadeth used on the recording, for reference. ToneAdapt translates this to the controls your Fender Blues Junior IV 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 Fender Blues Junior IV settings for Holy Wars?
Set Gain 7.5, Volume 6, Master 6, Bass 5, Mid 4.5, 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 Jackson JS32 Kelly. 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 Fender Blues Junior IV
- Pride and Joy · Stevie Ray Vaughan
- Whole Lotta Love · Led Zeppelin
- Sultans of Swing · Dire Straits
- Layla · Derek and the Dominos
- Sweet Child O' Mine · Guns N' Roses
- Back in Black · AC/DC
- Crossroads · Cream
- Comfortably Numb · Pink Floyd
- Smells Like Teen Spirit · Nirvana
- The Thrill is Gone · B.B. King
- Master of Puppets · Metallica
- Black Hole Sun · Soundgarden
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.