HeadRush Flex Prime settings
Master of Puppets settings for HeadRush Flex Prime
Metallica · adapted 17 times on ToneAdapt
To get the Metallica "Master of Puppets" riff tone on a HeadRush Flex Prime, use the Hi Gain amp model on the lead channel, then set Drive 9, Master 7, Bass 6, Mid 3, Treble 7.5, Presence 6.5. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Jackson JS32 Dinky · updated 2026-10-22
- Amp model
- Hi Gain
- Channel
- Lead
- Cab
- Mesa 4x12
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Amp block
- Drive
- 9
- Master
- 7
- Bass
- 6
- Mid
- 3
- Treble
- 7.5
- Presence
- 6.5
Effects chain
- 1distortionn/aGain 10 · Tone 5 · Level 10
Playing tips
- Focus on tight palm muting for chugging riffs.
- Use fast alternate picking to achieve a percussive attack.
- Maintain a steady rhythm to enhance the aggressive tone.
The original rig
What Metallica used on the recording, for reference. ToneAdapt translates this to the controls your HeadRush Flex Prime actually has.
- Guitar
- ESP MX220 (custom, aka 'Eet Fuk')
- Amp
- Mesa/Boogie Mark IIC+ (preamp) into Marshall JCM800 (power amp section), Mesa 4x12 cabinet
- Gain
- 9
- Bass
- 6
- Mid
- 3
- Treble
- 7.5
- Presence
- 6.5
- Reverb
- 1
Different guitar or pedals? Get Master of Puppets adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Metallica's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What amp model should I use on the HeadRush Flex Prime for Master of Puppets?
Use the Hi Gain (lead channel) with Drive 9, Master 7, Bass 6, Mid 3, Treble 7.5, Presence 6.5, followed by n/a.
Which pickup should I use for Master of Puppets?
Bridge pickup, with the guitar's tone at 10 and volume at 10.
What gear did Metallica use on Master of Puppets?
Guitar: ESP MX220 (custom, aka 'Eet Fuk'). Amp: Mesa/Boogie Mark IIC+ (preamp) into Marshall JCM800 (power amp section), Mesa 4x12 cabinet.
Will these settings work with my guitar?
These settings were adapted for a Jackson JS32 Dinky. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Master of Puppets on other amps
- Master of Puppets on Fender Mustang LT25 · 1,425
- Master of Puppets on Boss Katana · 926
- Master of Puppets on Fender Frontman 10G · 434
- Master of Puppets on Line 6 Helix Floor / LT / Rack · 280
- Master of Puppets on Fender Champion 20 · 218
- Master of Puppets on Fender Frontman 15G · 207
- Master of Puppets on Neural DSP Quad Cortex · 193
- Master of Puppets on Boss Katana 50 Gen 3 · 182
Popular songs on the HeadRush Flex Prime
- Walk · Pantera
- Sweet Child O' Mine · Guns N' Roses
- Holy Wars · Megadeth
- Welcome to the Jungle · Guns N' Roses
- Back in Black · AC/DC
- Raining Blood · Slayer
- Iron Man · Black Sabbath
- Hotel California · Eagles
- Highway to Hell · AC/DC
- Layla · Derek and the Dominos
- Pride and Joy · Stevie Ray Vaughan
- Rooster · Alice in Chains
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.