The Grudge amp settings — Marshall DSL100H

The TOOL guitar tone for “The Grudge”, dialed in for a Marshall DSL100H with a Epiphone Les Paul Standard 50s. Studio version, Lateralus (2001) - Main heavy riff in Drop D

Original rig

1979 Gibson Les Paul Custom (Seymour Duncan SH-4 JB / DD) into a blended three-amp rig: Diezel VH4 (Channel 3), 1976 Marshall Super Bass, and Mesa Dual Rectifier / Bogner Uberschall through Mesa Rectifier 4x12 cabs

Thick, punchy high-gain tone with forward upper midrange bark, tight low-end tracking, and aggressive pick attack

Amp settings — Marshall DSL100H

CHANNELUltra Gain (OD1)BOOSToff

Knob	Setting (0–10)
Gain	7
Bass	6
Mid	7
Treble	5
Presence	5
Reverb	1
Master	4

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Dunlop Cry Baby 535Q Wah

RECOMMENDED — not currently owned; used for signature filtered sweeps and vocal solos

Volume 5 · Q-Width 6

02Boss DD-3 Delay

RECOMMENDED — not currently owned; place in FX loop for ambient rhythmic repeats and bridge accents

E.Level 3 · F.Back 3 · D.Time 4

Why these settings

The Marshall DSL100H on Ultra Gain (OD1) provides the tight, saturated British core of Adam Jones' Diezel/Marshall blend without needing external overdrive. Push the DSL's mid control to 7 while keeping treble at 5 and presence at 5 to capture Jones' focused upper-mid punch without modern Marshall top-end fizz; set the DSL Resonance control to 6 to emulate the heavy 4x12 cab low-end thump in Drop D. Tune the low E string down to Drop D (D-A-D-G-B-E).

PRO TIPTune to Drop D and pick with a stiff pick right next to the bridge saddles using hard downstrokes to get the distinctive metallic string bite and tight palm-mute articulation that cuts through without relying on excessive treble.

Get this tone on your amp

These settings are for a Marshall DSL100H. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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Song, artist and gear names are used to identify the tone being matched; ToneAdapt is not affiliated with or endorsed by the artists or manufacturers mentioned. Settings are AI-generated starting points — trust your ears.