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Seek and destroy amp settings — Boss Katana 100 MkII

The Metallica guitar tone for “Seek and destroy”, dialed in for a Boss Katana 100 MkII with a Ibanez GIO GRG170DX. Studio version, Kill 'Em All (1983)

Original rig

Guitar: Gibson Flying V with humbuckers · Amp: Marshall 100W head (Jose Arredondo hot-rodded, cascading gain mod) · Pedal: ProCo Rat distortion pedal as boost

Tight and percussive, scooped mids, aggressive palm muting, high-gain saturation, sharp biting treble, chunky low end, dry with no reverb, fast staccato response

Amp settings — Boss Katana 100 MkII

CHANNELBrownBRIGHToffBOOSToff

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

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Guitar

PICKUPbridge TONE10 VOLUME10

Why these settings

The Brown amp type on the Katana voices a hot-rodded Marshall-style preamp, matching Hetfield's modded Marshall. Mid scooped to 3 because the original tone has that classic thrash scoop but the Katana's Brown channel is already mid-forward—going lower than 3 loses definition. Gain at 7 gives saturated chunk without fizz; the original relied on the Rat for extra push but the Katana's Brown channel reaches that saturation natively.

PRO TIPUse aggressive downstroke picking with tight palm muting right at the bridge saddles—the percussive attack on Seek & Destroy comes from Hetfield's right hand precision, not just the gain level.

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These settings are for a Boss Katana 100 MkII. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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