Tone library / Mountain / Mississippi Queen

Mississippi Queen amp settings — Washburn Wa15

The Mountain guitar tone for “Mississippi Queen”, dialed in for a Washburn Wa15 with a Fender Jazzmaster. Studio version, Climbing! (1970) — main riff

Original rig

Gibson Les Paul TV Jr. (single P90) → 50-watt Marshall head → Sunn 4x12 cabinet

Fat, warm crunch with thick low-mids and singing sustain — not scooped, not fizzy, just big and round

Amp settings — Washburn Wa15

CHANNELCleanBOOSToff

Knob	Setting (0–10)
Gain	2
Bass	6
Mid	7
Treble	4
Master	6

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Guitar

PICKUPbridge TONE6 VOLUME10

Signal chain

01M-Vave Blackbox (Plexi/British Amp Model Block)

Gain source — run direct into the Washburn input with amp set clean and flat

Gain 7 · Bass 6 · Middle 8 · Treble 5 · Volume 7

Why these settings

The Washburn WA15 is a basic solid-state practice amp, so the M-Vave Blackbox's British/Plexi amp model serves as the primary gain and voicing stage. To compensate for the Jazzmaster's thinner single-coil bridge pickup compared to Leslie West's hot P-90, the guitar tone knob is rolled back to 6 to cut sharp top-end and thicken the low-mids. The amp's own gain is kept low at 2 on the clean channel to prevent muddy solid-state clipping.

PRO TIPLeslie West famously rolled his guitar's tone knob down around halfway to eliminate top-end fizz and force the midrange to bloom, creating his signature 'woman tone' bark on the Junior's bridge P-90.

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