Marshall CODE 25 settings
One settings for Marshall CODE 25
Metallica · adapted 6 times on ToneAdapt
To get the Metallica "One" riff tone on a Marshall CODE 25, set Gain 0, Volume 5, Master 5, Bass 5, Mid 4, Treble 7. Use the neck pickup with your guitar's tone on 8-10 and volume on 8-9.
Riff settings
Adapted for a Jackson JS Series Kelly JS32T · updated 2026-10-27
- Pickup
- Neck pickup
- Guitar knobs
- Tone 8-10 · Volume 8-9
Marshall CODE 25 knobs
- Gain
- 0
- Volume
- 5
- Master
- 5
- Bass
- 5
- Mid
- 4
- Treble
- 7
Built-in effects
- Delay on (Vintage) · 3
- Chorus on (CLS (classic chorus))
- Reverb on (Spring) · 0.5
- Cabinet on (1936 (2x12, G12-T75))
- Power amp on (American Class A/B (6L6))
Playing tips
- Use your amp's built-in chorus set to a moderate level to recreate the lush stereo effect.
- Engage the delay effect at a moderate level to add depth and space to your clean riff.
- Adjust the reverb to enhance the ambient quality of the clean tone.
The original rig
What Metallica used on the recording, for reference. ToneAdapt translates this to the controls your Marshall CODE 25 actually has.
- Guitar
- ESP MX-220 (black finish, custom, 1987-1988 era)
- Amp
- Mesa/Boogie Mark IIC+ (main rhythm amp for '...And Justice for All' era)
- Gain
- 8.5
- Bass
- 5.5
- Mid
- 3.5
- Treble
- 7
- Presence
- 4.5
- Reverb
- 1
Different guitar or pedals? Get One 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 are the best Marshall CODE 25 settings for One?
Set Gain 0, Volume 5, Master 5, Bass 5, Mid 4, Treble 7.
Which pickup should I use for One?
Neck pickup, with the guitar's tone at 8-10 and volume at 8-9.
What gear did Metallica use on One?
Guitar: ESP MX-220 (black finish, custom, 1987-1988 era). Amp: Mesa/Boogie Mark IIC+ (main rhythm amp for '...And Justice for All' era).
Will these settings work with my guitar?
These settings were adapted for a Jackson JS Series Kelly JS32T. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
One on other amps
More Metallica on the Marshall CODE 25
- Master of Puppets
- Enter Sandman
- Nothing Else Matters
- ...And Justice for All
- Ride the Lightning
- Welcome Home (Sanitarium)
Popular songs on the Marshall CODE 25
- Sweet Child O' Mine · Guns N' Roses
- Walk · Pantera
- Hotel California · Eagles
- Back in Black · AC/DC
- Whole Lotta Love · Led Zeppelin
- Welcome to the Jungle · Guns N' Roses
- Stairway to Heaven · Led Zeppelin
- Highway to Hell · AC/DC
- Holy Wars · Megadeth
- Raining Blood · Slayer
- Crazy Train · Ozzy Osbourne
- Sultans of Swing · Dire Straits
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.