HeadRush Flex Prime settings
Iris settings for HeadRush Flex Prime
Goo Goo Dolls · adapted 2 times on ToneAdapt
To get the Goo Goo Dolls "Iris" riff tone on a HeadRush Flex Prime, use the Clean amp model on the clean channel, then set Drive 2, Master 7, Bass 5, Mid 5, Treble 7, Presence 5. Use the neck pickup with your guitar's tone on 7-8 and volume on 9-10.
Riff settings
updated 2026-09-17
- Amp model
- Clean
- Channel
- Clean
- Cab
- Open Back
- Pickup
- Neck pickup
- Guitar knobs
- Tone 7-8 · Volume 9-10
Amp block
- Drive
- 2
- Master
- 7
- Bass
- 5
- Mid
- 5
- Treble
- 7
- Presence
- 5
Effects chain
- 1reverbPlate ReverbMix 5 · Decay 6
- 2modulationChorusMix 5 · Rate 3 · Depth 4
Playing tips
- Use airy strumming to emphasize the open-string drones.
- Focus on percussive attack while maintaining a clean tone.
- Experiment with fingerstyle for added warmth and chime.
The original rig
What Goo Goo Dolls used on the recording, for reference. ToneAdapt translates this to the controls your HeadRush Flex Prime 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 amp model should I use on the HeadRush Flex Prime for Iris?
Use the Clean (clean channel) with Drive 2, Master 7, Bass 5, Mid 5, Treble 7, Presence 5, followed by Plate Reverb, Chorus.
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?
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 HeadRush Flex Prime
- Master of Puppets · Metallica
- Walk · Pantera
- Enter Sandman · Metallica
- 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
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.