Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Laney Ironheart IRT60H

The Metallica guitar tone for “Master of Puppets”, dialed in for a Laney Ironheart IRT60H with a Squier Contemporary Stratocaster. Studio version, Master of Puppets (1986) — main rhythm riff

Original rig

Jackson Custom Shop King V (Seymour Duncan Invader) -> Mesa/Boogie Mark IIC+ (slaved into Marshall JCM800 power amp) with graphic EQ V-curve

Aggressive, tight, scooped thrash rhythm with crushing low-end chunk and sharp attack

Amp settings — Laney Ironheart IRT60H

CHANNELLead channelBRIGHToffBOOSTon

Knob	Setting (0–10)
Gain	7
Bass	7
Mid	3
Treble	7
Presence	6
Reverb	0
Master	5

Don’t have a Laney Ironheart IRT60H? See this song on other amps → Match your own rig →

Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Tube Screamer (TS9)

RECOMMENDED — not currently owned; tightens low-end tracking for fast thrash riffs

Drive 0 · Tone 6 · Level 9

Why these settings

The Ironheart IRT60H has plenty of high gain on its Lead channel; engage the onboard Pre-Boost to replicate the tight front-end push of the Mark IIC+. Cut the Middle to 3 and pull the treble/presence up to emulate the iconic Mesa 5-band graphic EQ V-curve scoop. Clean interlude: switch to the Clean channel with Pre-Boost bypassed and roll guitar volume to 7.

PRO TIPAnchor your palm firmly against the bridge saddles and execute strict downpicking on the galloping eighth notes to get the percussive, mechanical attack James Hetfield captured on the record.

Get this tone on your amp

These settings are for a Laney Ironheart IRT60H. 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.