Positive Grid Spark GO settings
Heart-Shaped Box settings for Positive Grid Spark GO
Nirvana · adapted 2 times on ToneAdapt
To get the Nirvana "Heart-Shaped Box" riff tone on a Positive Grid Spark GO, select the American Deluxe 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
updated 2026-07-05
- Preset / mode
- American Deluxe
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 7-8 · Volume 8-9
Positive Grid Spark GO knobs
- Gain
- 6.5
- Bass
- 5
- Mid
- 6
- Treble
- 6
- Reverb
- 0.5
- Music volume
- 5
Built-in effects
- Reverb on (spring) · 3
Playing tips
- Use tight palm muting for chugging riffs to achieve a punchy attack.
- Focus on dynamic picking to enhance the percussive quality of the notes.
- Keep your picking hand close to the bridge for a brighter tone.
The original rig
What Nirvana used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid Spark GO 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
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 GO for Heart-Shaped Box?
Start from the American Deluxe 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?
Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Heart-Shaped Box on other amps
- Heart-Shaped Box on Fender Mustang LT25 · 165
- Heart-Shaped Box on Fender Frontman 10G · 67
- Heart-Shaped Box on Boss Katana · 62
- Heart-Shaped Box on Fender Champion 20 · 30
- Heart-Shaped Box on Line 6 Helix Floor / LT / Rack · 20
- Heart-Shaped Box on Fender Frontman 20G · 19
- Heart-Shaped Box on Fender Frontman 15G · 18
- Heart-Shaped Box on Orange Crush 12 · 17
Popular songs on the Positive Grid Spark GO
- Master of Puppets · Metallica
- Walk · Pantera
- Hotel California · Eagles
- Sweet Child O' Mine · Guns N' Roses
- Enter Sandman · Metallica
- Crazy Train · Ozzy Osbourne
- Raining Blood · Slayer
- Man in the Box · Alice in Chains
- Iron Man · Black Sabbath
- Holy Wars · Megadeth
- Do I Wanna Know? · Arctic Monkeys
- Creep · Radiohead
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.