One amp settings — Blackstar ID:30TVP

The Metallica guitar tone for “One”, dialed in for a Blackstar ID:30TVP with a Ibanez GIO GRG170DX. Studio version, ...And Justice for All (1988) — heavy/distorted riff sections

Original rig

Mesa/Boogie Mark IIC+ head through Marshall 4x12, ESP MX-220 with EMG 81 bridge pickup, noise gate only (no dirt pedals)

Tight, aggressive high-gain with scooped mids, chunky palm-muted low end, crisp articulate highs, dry and in-your-face

Amp settings — Blackstar ID:30TVP

CHANNELOD2 (Super Crunch voice)BOOSToff

Knob	Setting (0–10)
Gain	7
Bass	6
Mid	2
Treble	7
Reverb	0
Master	5

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

Original Mark IIC+ runs gain ~8.5 and mids ~3.5; your ID:30TVP's OD2 has hotter preamp saturation, so gain drops to 7. Your GRG170DX's passive Infinity humbuckers have lower output than Hetfield's active EMGs—compensate by keeping gain at 7 rather than dropping further. Mids at 2 (vs original 3.5) because the ID:30TVP's mid control is more aggressive in the scoop range; ISF leaning British tightens the low end to approximate the Mesa's rectifier-like punch. Reverb is 0—the original is bone dry.

PRO TIPPalm mute directly over the bridge pickup pole pieces (not near the bridge saddles) for that percussive 'chuk' attack Hetfield gets; anchor your picking hand firmly and use downstrokes on the main riff for maximum chunk.

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These settings are for a Blackstar ID:30TVP. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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