Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Boss Katana 50 Gen 3

The Metallica guitar tone for “Master of Puppets”, dialed in for a Boss Katana 50 Gen 3 with a Fender Mexica Gold Foil Telecaster. Studio version, Master of Puppets (1986) - Main Rhythm Track

Original rig

Mesa/Boogie Mark IIC+ preamp slaved into Marshall JCM800 2203 power amp, Jackson King V (Seymour Duncan Invader humbuckers), Marshall 4x12 cab

Aggressive, tight high-gain thrash crunch with a deep V-scooped midrange and biting attack

Amp settings — Boss Katana 50 Gen 3

CHANNELBrown amp typeBOOSToff

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

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

The Katana 50 Gen 3 lacks a physical presence knob, so presence is nulled and top-end cut is handled directly via treble at 7. The Gold Foil mini-humbuckers are brighter and lower output than James Hetfield's hot Invader humbucker, requiring gain pushed to 7 and bass to 7 to restore low-end percussive chunk. Setting mid to 2 on the Brown amp type replicates the iconic Mark IIC+ graphic EQ 'V-curve' scoop directly on your amp without external gear.

PRO TIPStrict all-downpicking with heavy palm muting right against the bridge saddles is mandatory to get the signature tight, percussive chug of this rhythm track.

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These settings are for a Boss Katana 50 Gen 3. 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.