Tone library / Metallica / And justice for all

And justice for all amp settings — Boss Katana 50 MkII

The Metallica guitar tone for “And justice for all”, dialed in for a Boss Katana 50 MkII with a Epiphone Les Paul Classic. Studio version, ...And Justice for All (1988) title track rhythm tone

Original rig

Mesa/Boogie Mark IIC+ (into Marshall 4x12 with Celestion V30s), ESP MX220 Explorer with active EMG 81 bridge pickup, A/DA MP-1 preamp, graphic EQ aggressive V-curve

Aggressive, dry, razor-sharp thrash rhythm with an extreme mid scoop and fast percussive low-end tracking

Amp settings — Boss Katana 50 MkII

CHANNELLead amp typeBOOSToff

Knob	Setting (0–10)
Gain	7
Bass	7
Mid	2
Treble	8
Reverb	0
Master	5

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

The Katana 50 MkII Lead channel mimics the high-gain saturation and tight low-end of James Hetfield's Mesa Mark IIC+ without needing external pedals. Setting the mid control to 2 achieves the iconic 'Justice' V-curve scoop, while pushing treble to 8 compensates for passive Les Paul humbuckers versus Hetfield's razor-sharp active EMG 81. Reverb is set to 0 to preserve the clinical, bone-dry studio attack.

PRO TIPUse strict, aggressive downpicking with heavy palm-muting right against the bridge saddles to get the dry, mechanical percussive chug of the album.

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These settings are for a Boss Katana 50 MkII. 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.