Tone library / Dying fetus / Grotesque impalement

Grotesque impalement amp settings — Fender Mustang LT25

The Dying fetus guitar tone for “Grotesque impalement”, dialed in for a Fender Mustang LT25 with a Ibanez GIO GRG170DX. Studio EP version, Grotesque Impalement (2000)

Original rig

Ampeg VH-140C solid-state head / Marshall Valvestate 8100 + B.C. Rich Stealth / Ironbird (EMG 81 bridge) + Boss MT-2 / clean boost

Relentlessly tight, razor-sharp solid-state death metal crunch with scooped lower-mids and stinging upper-mid bite
Amp settings — Fender Mustang LT25
CHANNELMetal 2000 (with onboard Myth Drive/Boost active)BOOSTon
GAIN 8 BASS 7 MID 3 TREBLE 8 REVERB 0 MASTER 6
KnobSetting (0–10)
Gain8
Bass7
Mid3
Treble8
Reverb0
Master6
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Guitar
PICKUPbridge TONE10 VOLUME10
Signal chain

01Boss MT-2 Metal Zone (or TS-style clean boost)

RECOMMENDED — not owned

Level 8 · Low 6 · High 7 · Mid 4 · Mid Freq 6 · Dist 2
Why these settings

John Gallagher's signature early Dying Fetus sound relies on the aggressive, cold solid-state attack of the Ampeg VH-140C and Marshall 8100. On your Mustang LT25, use the 'Metal 2000' amp model with an onboard boost to mimic that hard-clipped preamp saturation while scooping the mid EQ to 3. The Ibanez Infinity R bridge humbucker has plenty of output, so keeping gain at 8 delivers the brutal percussive slam without turning into muddy low-end mush.

PRO TIPDying Fetus riffs rely entirely on extreme palm-muting precision—anchor the fleshy edge of your picking hand directly over the bridge saddles and use a rigid, heavy gauge pick (1.5mm+) to get maximum percussive click on downpicked chugs.

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These settings are for a Fender Mustang LT25. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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