Fender Mustang GT40 settings
Peace of Mind settings for Fender Mustang GT40
Boston · adapted 2 times on ToneAdapt
To get the Boston "Peace of Mind" solo tone on a Fender Mustang GT40, select the Basic British '60s preset, then set Gain 6.5, Bass 5.5, Mid 7.5, Treble 6.5, Reverb 0.5. Use the bridge pickup with your guitar's tone on 7-8 and volume on 8-9.
Solo settings
Adapted for a Gibson Les Paul · updated 2026-05-29
- Preset / mode
- Basic British '60s
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Fender Mustang GT40 knobs
- Gain
- 6.5
- Bass
- 5.5
- Mid
- 7.5
- Treble
- 6.5
- Reverb
- 0.5
Built-in effects
- Reverb on (plate) · 2
- Delay off
Playing tips
- Use your amp's built-in delay set to a moderate level to recreate the spacious feel of the original tone.
- Focus on clear articulation during lead lines to maintain the singing sustain characteristic.
- Experiment with fingerstyle techniques to enhance the smoothness of your attack.
Riff settings
Adapted for a Gibson Les Paul · updated 2026-05-29
- Preset / mode
- Basic British '60s
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Fender Mustang GT40 knobs
- Gain
- 6.5
- Bass
- 5
- Mid
- 7
- Treble
- 6
- Reverb
- 0.5
Built-in effects
- Reverb on (plate) · 2
Playing tips
- Use your amp's built-in chorus to create the distinct shimmer and stereo width characteristic of the original tone.
- Set your amp's delay to a moderate level to add depth and space to your rhythm tone.
- Keep your attack clear and articulate to maintain note definition during the riff.
The original rig
What Boston used on the recording, for reference. ToneAdapt translates this to the controls your Fender Mustang GT40 actually has.
- Guitar
- 1970s Gibson Les Paul Goldtop
- Amp
- Custom modified Marshall 1959 Super Lead (plexi, 100W, late 1960s/early 1970s, with Scholz's own mods)
- Gain
- 6.5
- Bass
- 6.5
- Mid
- 7.5
- Treble
- 7
- Presence
- 6
- Reverb
- 2.5
Different guitar or pedals? Get Peace of Mind adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Boston's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What preset should I use on the Fender Mustang GT40 for Peace of Mind?
Start from the Basic British '60s preset, then set Gain 6.5, Bass 5.5, Mid 7.5, Treble 6.5, Reverb 0.5.
Which pickup should I use for Peace of Mind?
Bridge pickup, with the guitar's tone at 7-8 and volume at 8-9.
What gear did Boston use on Peace of Mind?
Guitar: 1970s Gibson Les Paul Goldtop. Amp: Custom modified Marshall 1959 Super Lead (plexi, 100W, late 1960s/early 1970s, with Scholz's own mods).
Will these settings work with my guitar?
These settings were adapted for a Gibson Les Paul. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Peace of Mind on other amps
Popular songs on the Fender Mustang GT40
- Master of Puppets · Metallica
- Hotel California · Eagles
- Enter Sandman · Metallica
- Walk · Pantera
- Sweet Child O' Mine · Guns N' Roses
- Whole Lotta Love · Led Zeppelin
- Back in Black · AC/DC
- Smells Like Teen Spirit · Nirvana
- Highway to Hell · AC/DC
- Pride and Joy · Stevie Ray Vaughan
- Creep · Radiohead
- Holy Wars · Megadeth
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.