Tone library / Nirvana / Aneurysm

Aneurysm amp settings — Marshall Plexi 1959

The Nirvana guitar tone for “Aneurysm”, dialed in for a Marshall Plexi 1959 with a Fender Player Stratocaster. Studio version, 1991 Craig Montgomery session (Incesticide / B-side) — signature distorted main riff

Original rig

Fender Jaguar (DiMarzio Super Distortion bridge) -> Boss DS-1 Distortion -> EHX Small Clone Chorus -> Fender Bassman head into Marshall 4x12 cab

Raw, aggressive, mid-heavy grunge distortion with biting top-end and heavy cabinet punch
Amp settings — Marshall Plexi 1959
CHANNELChannel I (High Treble) Normal inputBOOSToff
GAIN 2 BASS 6 MID 6 TREBLE 5 PRESENCE 4 REVERB 0 MASTER 7
KnobSetting (0–10)
Gain2
Bass6
Mid6
Treble5
Presence4
Reverb0
Master7
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Guitar
PICKUPbridge TONE8 VOLUME10
Signal chain

01NUX MG-101: Distortion Block (DIST-1 / DS-1 Model)

Gain source — run NUX output direct into amp front input. Amp amp/cab modeling turned OFF on the NUX.

Dist 8 · Tone 5 · Level 7

02NUX MG-101: Modulation Block (Chorus Model)

Leave bypassed for the main riff; kick on for the intro noise and chorus/outro sections.

Rate 3 · Depth 6
Why these settings

The NUX MG-101's DS-1 block serves as your primary distortion source, requiring the Marshall Plexi to stay clean (Volume I around 2) to prevent mud and double-gain saturation. Single-coil Player Strat pickups are leaner and brighter than Cobain's DiMarzio Super Distortion humbucker, so roll the guitar tone knob down to 8 and keep the Plexi's treble and presence conservative to avoid harsh fizz. For the intro/verse clean swells: bypass the DS-1 block and leave the chorus block engaged.

PRO TIPDig in hard with a thick pick (around 0.73mm to 1.0mm nylon or tortex) right near the bridge to replicate Kurt's aggressive, percussive fret-rattling attack on the open power chords.

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