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(Anesthesia)—Pulling Teeth amp settings — Boss Katana-110 Bass

The Metallica guitar tone for “(Anesthesia)—Pulling Teeth”, dialed in for a Boss Katana-110 Bass with a Squier Affinity Precision Bass PJ. Studio version, Kill 'Em All (1983) — Cliff Burton's solo bass showcase

Original rig

Mesa/Boogie D-180 heads (split clean and dirty chains), Mesa 4x12 and 1x15 cabinets, Rickenbacker 4001 bass, Morley Power Wah Boost, Big Muff Pi, heavy distortion with wah filtering

Heavily distorted, mid-snarling lead bass tone with wah-filtered sweep, bright attack, aggressive sustain, classical-inspired arpeggios into thrash finale

Amp settings — Boss Katana-110 Bass

CHANNELFlat amp type (clean platform for pedal gain)BOOSToff

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

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Guitar

PICKUPbridge TONE8 VOLUME10

Signal chain

01Dunlop Fuzz Face Mini

Primary dirt source — replaces Big Muff role; keep amp clean to avoid mud

Volume 7 · Fuzz 8

02Morley M2

Critical for the signature swept-filter lead tone; rock heel-to-toe slowly during sustained notes, faster sweeps during aggressive passages

Wah Range 7 · Level 6

Why these settings

Cliff ran a Rickenbacker 4001 (bright, clanky single-coils) through split clean/dirty Mesa heads with Big Muff and Morley Power Wah. Your PJ's bridge J-pickup approximates the Rick's treble bite — use it exclusively. The Katana-110 Bass set to Flat acts as a clean pedal platform; gain at 2 keeps it tight while the Fuzz Face provides the saturated sustain. Mid pushed to 8 recreates Cliff's cutting lead presence; the Rick's inherent scoop means your PJ actually sits closer to the original than a modern active bass would.

PRO TIPCliff's secret was treating bass like a lead guitar — dig in hard with a pick near the bridge for that aggressive attack, and use the wah as a filter sweep on sustained notes rather than rhythmic pumping; the vocal quality comes from slow, deliberate toe-rocks during held notes.

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