Tone library / Metallica / Master of Puppets

Master of Puppets amp settings — Nux Mighty 8BT

The Metallica guitar tone for “Master of Puppets”, dialed in for a Nux Mighty 8BT with a Madison Meg WH. Studio version, Master of Puppets album (1986, Sweet Silence Studios, Copenhagen)

Original rig

Mesa Boogie Mark IIC+ preamp → Marshall JCM800 power amp, ESP Explorer/Jackson King V with EMG pickups, Marshall 4x12 cab with Celestion G12T-75 speakers

Tight, aggressive, scooped-mid thrash rhythm with razor-sharp pick attack and crushing low end

Amp settings — Nux Mighty 8BT

CHANNELLead/High-Gain channel (select the highest gain amp model available—'Metal' or 'Lead' voicing if present)BRIGHToffBOOSTon

Knob	Setting (0–10)
Gain	8
Bass	7
Mid	2
Treble	7
Presence	6
Reverb	0
Master	5

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

The Nux Mighty 8BT is a small modeling amp with limited headroom and speaker size, so the original's crushing low-end will be approximated but not fully replicated. Mid is cut hard to 2 to emulate the classic 'V-shaped' thrash scoop; bass and treble are pushed to 7 to compensate for the smaller speaker's weaker low-frequency response. Your Madison Meg WH likely has passive humbuckers with lower output than Hetfield's active EMGs, so gain is maxed at 8 to achieve similar saturation. The recording was bone-dry, so reverb stays at 0.

PRO TIPHetfield's tone lives in his picking hand—use aggressive, consistent downstrokes with the pick angled slightly and strike the strings directly over the bridge pickup. Palm mute hard and release cleanly on accents. The tight attack definition that defines this tone comes from picking technique, not just amp settings.

Get this tone on your amp

These settings are for a Nux Mighty 8BT. 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.