Positive Grid Spark 40 settings
Iris settings for Positive Grid Spark 40
Goo Goo Dolls · adapted 5 times on ToneAdapt
To get the Goo Goo Dolls "Iris" riff tone on a Positive Grid Spark 40, set Gain 2, Master 5, Bass 5, Mid 5, Treble 7, Reverb 4. Use the neck pickup with your guitar's tone on 7-8 and volume on 9-10.
Riff settings
updated 2026-11-07
- Pickup
- Neck pickup
- Guitar knobs
- Tone 7-8 · Volume 9-10
Positive Grid Spark 40 knobs
- Gain
- 2
- Master
- 5
- Bass
- 5
- Mid
- 5
- Treble
- 7
- Reverb
- 4
- Mod
- 5
Built-in effects
- Reverb on · 4
Playing tips
- Use your amp's built-in reverb set to a moderate level to recreate the spacious feel of the original tone.
- Engage modulation for a subtle chorus effect to add shimmer.
- Strum with a percussive attack to capture the airy quality of the original riff.
The original rig
What Goo Goo Dolls used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid Spark 40 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 are the best Positive Grid Spark 40 settings for Iris?
Set Gain 2, Master 5, Bass 5, Mid 5, Treble 7, Reverb 4.
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 Positive Grid Spark 40
- Master of Puppets · Metallica
- Walk · Pantera
- Enter Sandman · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Hotel California · Eagles
- Whole Lotta Love · Led Zeppelin
- Crazy Train · Ozzy Osbourne
- Welcome to the Jungle · Guns N' Roses
- Iron Man · Black Sabbath
- Smells Like Teen Spirit · Nirvana
- Raining Blood · Slayer
- Stairway to Heaven · Led Zeppelin
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.