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Riff Tone

I Thought I Knew It All

Megadeth

Guitarmetal1990s

Original Gear

GuitarJackson King V (likely custom shop, early-mid 1990s spec)
AmpMarshall 6100LM (Marshall Anniversary head, used on Youthanasia sessions)
PickupsSeymour Duncan JB (SH-4) bridge humbucker

Amp Settings

gain7.5
bass6
mid5
treble7
reverb1
presence6

Effects & Signal Chain

No effects used for this tone

Notes

Studio recording, 1994. Dave Mustaine used Jackson King V guitars with Seymour Duncan JB pickups for rhythm tracks on 'Youthanasia'. The Marshall 6100LM was confirmed as the main amp for this album's rhythm tones. No evidence of live or modern digital rigs for this era/song. No evidence of additional boost/OD pedals for the main riff section.

Tone Character(10)
tight and percussiveaggressive palm mutingsaturated but cleararticulate note separationfocused low endslightly scooped midscrisp treble biteminimal ambienceclassic thrash rhythmhigh-gain saturation

Difficulty

The riff requires tight, aggressive palm muting and precise alternate picking at a moderate tempo, with fast chord changes and a need for consistent muting to maintain clarity under high gain.

This tone has been researched 2 times by the community

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I Thought I Knew It All by Megadeth — Riff Tone Settings | ToneAdapt