Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Mooer GE100

The Metallica guitar tone for “Master of Puppets”, dialed in for a Mooer GE100 with a Thomson St1m. Studio version, Master of Puppets (1986) - Main iconic rhythm track

Original rig

Mesa/Boogie Mark IIC+ (preamp with V-curve graphic EQ) slaved into Marshall JCM800 2203 power section, Jackson King V / Gibson Explorer (Seymour Duncan Invader / Gibson Dirty Fingers)

Aggressive, tight, high-gain thrash rhythm with deeply scooped mids and punchy low-end

Amp settings — Mooer GE100

CHANNELMooer GE100: 'MESA BOOGIE' (or US HIGH GAIN) amp model + 4x12 Recto cab simBOOSToff

Knob	Setting (0–10)
Gain	8
Bass	8
Mid	2
Treble	7
Reverb	0
Master	6

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Mooer GE100 DS/OD Block (T-OD/Tube Screamer)

Used as a clean boost ahead of the high-gain amp model to tighten low-end tracking

Gain 1 · Tone 6 · Level 8

02Flamma FS07 Cab IR (external)

Select 4x12 V30/Mesa cabinet IR; disable internal GE100 cab sim if using FS07 at the end

Level 5 · Low Cut 3 · High Cut 8

Why these settings

The signature 1986 Metallica rhythm comes from the iconic Mesa Mark IIC+ 'V-curve' graphic EQ, which deeply cuts 800Hz mids while boosting bass and treble. On the GE100, use the high-gain Mesa model with mids pulled down to 2 and drive the front with the onboard overdrive set as a clean boost to tighten the palm-muted attack. Clean interlude: switch GE100 to Clean model with light chorus block enabled.

PRO TIPAnchor your palm mute firmly across the bridge saddle and pick strictly with aggressive, heavy downstrokes to get the razor-sharp percussive chug of the main riff.

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