Tone library / Metallica / Disposable Heroes

Disposable Heroes amp settings — Fender Mustang LT25

The Metallica guitar tone for “Disposable Heroes”, dialed in for a Fender Mustang LT25 with a Harley benton Ex-84. Studio version, Master of Puppets (1986) — Main rhythm tone

Original rig

ESP Explorer with EMG 81 active humbucker -> Ibanez TS9 Tube Screamer -> Mesa/Boogie Mark IIC+ (Graphic EQ 'V-shape' scoop)

Tight, aggressive thrash with scooped mids, machine-gun palm-muted attack, and cutting high-end bite

Amp settings — Fender Mustang LT25

CHANNELMetal 2000 (with onboard Greenbox/Screamer stomp enabled in signal chain)BOOSToff

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

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Onboard Greenbox / Screamer Stomp (Mustang LT25)

Placed before the amp model in the LT25 preset to tighten low-end tracking and emulate Hetfield's TS9 boost

Drive 1 · Tone 7 · Level 9

Why these settings

The LT25's Metal 2000 model captures the high-gain Mesa Mark-series saturation, with mids scooped to 3 to emulate the classic graphic EQ V-curve. Engaging the onboard TS-style boost block tightens the HB-84 active/high-output pickups for rapid 16th-note gallops without low-end flub. The Fender LT25 physical faceplate lacks a dedicated presence knob, so presence is nulled and high-end bite is shaped via amp treble at 8.

PRO TIPAnchor the fleshy heel of your picking hand flat against the bridge saddles to get the razor-sharp palm-mute 'chug', and execute every rhythm gallop using pure, aggressive downpicking.

Get this tone on your amp

These settings are for a Fender Mustang LT25. 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.