Riff Tone

Heart-Shaped Box (2023 Remaster)

Nirvana

Guitarrock1990s

Original Gear

GuitarFender Competition Mustang

AmpFender '65 Twin Reverb (Quad Reverb also cited as possible studio amp)

PickupsStock single-coil pickups (Fender Mustang, 1990s Japanese reissue)

Amp Settings

gain7

bass5

mid6

treble6.5

reverb1

presence5

Effects & Signal Chain

distortionBoss Boss DS-2 Turbo Distortion

distortionTech 21 Tech 21 SansAmp Classic

Notes

Studio recording, In Utero sessions (1993); 2023 Remaster uses original tracks. Kurt Cobain used a Fender Competition Mustang for the main riff/distorted sections. Amp is widely reported as a Fender Twin Reverb or Quad Reverb. Tech 21 SansAmp also cited as part of the studio chain.

Tone Character(10)

raspy, saturated distortiongritty, raw attackpronounced upper-mid bitetight, focused low endslightly scooped basscutting, bright treblepercussive power chord attackcompressed, punchy dynamicsminimal ambient effectsaggressive pick attack

Difficulty

The riff is based on power chords and straightforward rhythm, but requires tight muting, aggressive picking, and dynamic control to capture the grunge feel.

Sources

Nirvana's Heart Shaped Box tone : r/GuitarAmps How can I get a tone closer to the studio tones of “In Utero ...JHS Pedals on Instagram: "Nirvana's Heart-Shaped Box guitar ...Nirvana Heart-Shaped Box Guitar Cover with In Utero Studio ...

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