Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Marshall JCM800 2203

The Metallica guitar tone for “Master of Puppets”, dialed in for a Marshall JCM800 2203 with a Spira L400. Studio version, Master of Puppets (1986) — main rhythm riff

Original rig

Jackson King V with Seymour Duncan Invader into Mesa/Boogie Mark IIC+ (slaved into Marshall power section and 4x12 cabs with Celestion G12-65/V30s), graphic EQ in classic 'V' scoop

Aggressive, tight thrash metal rhythm with deep low-end thump, scooped 750Hz mids, and razor-sharp picking attack

Amp settings — Marshall JCM800 2203

CHANNELHigh Sensitivity input

Knob	Setting (0–10)
Gain	9
Bass	8
Mid	3
Treble	7
Presence	6
Reverb	0
Master	4

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Ibanez TS9 Tube Screamer

RECOMMENDED — not currently owned; tightens low-end flub and pushes the JCM800 front end into modern thrash saturation

Drive 0 · Tone 6 · Level 9

Why these settings

The JCM800 2203 naturally emphasizes raw upper mids, whereas the original tone came from a Mesa Mark IIC+ with a drastic 5-band graphic V-scoop. Setting the mid control to 3 pulls out the Marshall midrange honk, while pushing bass to 8 and gain to 9 provides the heaviest low-end chug the unboosted circuit can deliver. Clean interlude: switch to guitar neck pickup and roll guitar volume down to 3.

PRO TIPAnchor your palm directly against the bridge saddles and execute strict, aggressive downpicking with heavy-gauge strings to replicate Hetfield's percussive, mechanical attack.

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These settings are for a Marshall JCM800 2203. 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.