Tone library / Metallica / ...And Justice for All

...And Justice for All amp settings — Valeton Gp-190

The Metallica guitar tone for “...And Justice for All”, dialed in for a Valeton Gp-190 with a Spira S-450. Studio version, ...And Justice for All (1988), main rhythm tone

Original rig

Mesa Boogie Mark IIC+ / Quad Preamp + Marshall JCM800 power amp + ESP MX-220 (EMG 81/60) + Aphex Parametric EQ (extreme 750Hz scoop)

Dry, razor-sharp, heavily mid-scooped aggressive thrash crunch with tight low-end tracking

Amp settings — Valeton Gp-190

CHANNELMesa Mark IIC+ model (or US Mark Lead) + Mesa 4x12 V30 Cab IRBRIGHTonBOOSToff

Knob	Setting (0–10)
Gain	6
Bass	7
Mid	1
Treble	8
Presence	6
Reverb	0
Master	6

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Noise Gate

Essential for cutting string bleed during fast staccato rhythms

Threshold 6 · Decay 2

02Graphic EQ (Post-Amp / FX Block)

Classic Mesa/Aphex 'V-Curve' scoop to capture the signature AJFA dry bite

80Hz 6 · 240Hz 5 · 750Hz 1 · 2.2kHz 7 · 6.6kHz 6

Why these settings

The GP-100/GP-190 Mesa Mark amp model captures the tight preamp distortion, but the extreme Justice scoop requires dropping the amp's mid knob to 1 and using a post-amp EQ block to carve out 750Hz. Keep gain around 6 to prevent high-speed palm-muted chugs from blurring together. Reverb must stay at 0 as the album's rhythm tracks are dry and in-your-face.

PRO TIPAnchor your palm directly across the bridge saddles for a firm, percussive mute, and use strict downpicking with a heavy (1.0mm+) pick to achieve James Hetfield's signature mechanical attack.

Get this tone on your amp

These settings are for a Valeton Gp-190. 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.