Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Marshall DSL40CR

The Metallica guitar tone for “Master of Puppets”, dialed in for a Marshall DSL40CR with a Epiphone Les Paul Classic. Studio version, Master of Puppets album (1986), tracked at Sweet Silence Studios with Flemming Rasmussen

Original rig

Mesa Boogie Mark IIC+ (preamp) → modified Marshall JCM800 100W (power amp) → Marshall 1960 4x12 cabs; Jackson King V 'Kill Bon Jovi' with EMG 81 (bridge)

Tight, aggressive thrash rhythm with scooped mids, pronounced low-end thump, and cutting high-frequency bite; palm-muted downstrokes with articulate attack

Amp settings — Marshall DSL40CR

CHANNELUltra Gain (Lead mode)BRIGHToffBOOSToff

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

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Boss GE-7 Equalizer

RECOMMENDED — not currently owned. Place in FX loop for post-gain EQ sculpting. This is essential for the V-curve scoop that defines the MOP tone; without it you get generic Marshall aggression, not the Metallica sound.

100Hz 8 · 200Hz 6 · 400Hz 3 · 800Hz 2 · 1.6kHz 4 · 3.2kHz 7 · 6.4kHz 8 · Level 5

Why these settings

Your DSL40CR is a direct descendant of the JCM800 power section Hetfield actually used, so presence and power-amp response translate well. The Mark IIC+ preamp's scoop came from its 5-band graphic EQ — your DSL lacks this, so mids are set to 3 (lowest practical before mud) and I strongly recommend a GE-7 in the loop to carve the 400-800Hz valley. Your Epiphone's Alnico Classic humbuckers are warmer and less compressed than EMG 81s, so gain stays at 7 rather than dropping — you need the extra saturation to compensate for lower pickup output.

PRO TIPHetfield's attack is all aggressive downpicking with the pick angled slightly toward the bridge, striking the strings hard and muting immediately after each note for that machine-gun staccato. Practice the main riff at 50% speed with a metronome, focusing on absolute rhythmic precision — the tone means nothing without the right hand technique.

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These settings are for a Marshall DSL40CR. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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