Fender Mustang GT40 settings
Iris settings for Fender Mustang GT40
Goo Goo Dolls · adapted 4 times on ToneAdapt
To get the Goo Goo Dolls "Iris" riff tone on a Fender Mustang GT40, select the Johnny Marr Clean preset, then set Gain 2, Bass 5, Mid 5, Treble 7, Reverb 5. Use the neck pickup with your guitar's tone on 7-8 and volume on 9-10.
Riff settings
Adapted for a Squier Telecaster · updated 2026-09-23
- Preset / mode
- Johnny Marr Clean
- Pickup
- Neck pickup
- Guitar knobs
- Tone 7-8 · Volume 9-10
Fender Mustang GT40 knobs
- Gain
- 2
- Bass
- 5
- Mid
- 5
- Treble
- 7
- Reverb
- 5
Built-in effects
- Reverb on (plate) · 4
Playing tips
- Use your amp's built-in chorus set to a moderate level to recreate the subtle shimmer in the tone.
- Engage the reverb to add spaciousness to your sound, aiming for a plate-style effect.
- Strum with a light touch to maintain the airy quality of the chords.
The original rig
What Goo Goo Dolls used on the recording, for reference. ToneAdapt translates this to the controls your Fender Mustang GT40 actually has.
- Guitar
- Electric tuned to B-D-D-D-D (Rzeznik routinely uses semi-hollow electrics; Taylor T5-class instruments live). Tim Pierce overdubbed mandolin and electric slide on the studio cut.
- Amp
- Matchless HC-30 set clean (Rzeznik's main studio amp at the time)
- Gain
- 2
- Bass
- 5
- Mid
- 5
- Treble
- 7
- Presence
- 5
- Reverb
- 4
Different guitar or pedals? Get Iris adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Goo Goo Dolls'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 Iris?
Start from the Johnny Marr Clean preset, then set Gain 2, Bass 5, Mid 5, Treble 7, Reverb 5.
Which pickup should I use for Iris?
Neck pickup, with the guitar's tone at 7-8 and volume at 9-10.
What gear did Goo Goo Dolls use on Iris?
Guitar: Electric tuned to B-D-D-D-D (Rzeznik routinely uses semi-hollow electrics; Taylor T5-class instruments live). Tim Pierce overdubbed mandolin and electric slide on the studio cut.. Amp: Matchless HC-30 set clean (Rzeznik's main studio amp at the time).
Will these settings work with my guitar?
These settings were adapted for a Squier Telecaster. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Iris 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.