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Positive Grid Spark 2 settings

Heart-Shaped Box settings for Positive Grid Spark 2

Nirvana · adapted 5 times on ToneAdapt

To get the Nirvana "Heart-Shaped Box" riff tone on a Positive Grid Spark 2, select the British 30 preset, then set Gain 6.5, Bass 5, Mid 6, Treble 6, Reverb 0.5, Music volume 5. Use the bridge pickup with your guitar's tone on 7-8 and volume on 8-9.

Riff settings

Adapted for a Epiphone Les Paul Junior · updated 2026-10-03

Preset / mode
British 30
Pickup
Bridge pickup
Guitar knobs
Tone 7-8 · Volume 8-9

Positive Grid Spark 2 knobs

Gain
6.5
Bass
5
Mid
6
Treble
6
Reverb
0.5
Music volume
5
Guitar volume
8

Built-in effects

  • Reverb on (spring) · 3

Playing tips

  • Use tight palm muting for chugging sections to achieve that punchy attack.
  • Focus on dynamic picking to enhance the percussive quality of the riff.
  • Keep your guitar volume high to ensure clarity and presence in the mix.

The original rig

What Nirvana used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid Spark 2 actually has.

Guitar
Fender Jaguar (early 1960s, modified with DiMarzio Super Distortion bridge pickup and black Seymour Duncan Hot Rails neck pickup)
Amp
Fender Twin Reverb (Silverface, late 1970s)
Gain
6.5
Bass
6
Mid
7
Treble
6
Presence
5
Reverb
2
Full Heart-Shaped Box tone breakdown, effects and sources →

Different guitar or pedals? Get Heart-Shaped Box adapted to your exact rig

These settings were generated for the gear named above. ToneAdapt adapts Nirvana's tone to your own guitar, pickups, amp and pedals in seconds.

Frequently asked questions

What preset should I use on the Positive Grid Spark 2 for Heart-Shaped Box?

Start from the British 30 preset, then set Gain 6.5, Bass 5, Mid 6, Treble 6, Reverb 0.5, Music volume 5.

Which pickup should I use for Heart-Shaped Box?

Bridge pickup, with the guitar's tone at 7-8 and volume at 8-9.

What gear did Nirvana use on Heart-Shaped Box?

Guitar: Fender Jaguar (early 1960s, modified with DiMarzio Super Distortion bridge pickup and black Seymour Duncan Hot Rails neck pickup). Amp: Fender Twin Reverb (Silverface, late 1970s).

Will these settings work with my guitar?

These settings were adapted for a Epiphone Les Paul Junior. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.

Popular songs on the Positive Grid Spark 2

All 76 songs for the Positive Grid Spark 2 →

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.