One amp settings — Mooer GE150

The Metallica guitar tone for “One”, dialed in for a Mooer GE150 with a Gibson Les Paul Classic. Studio version, ...And Justice for All (1988) — iconic clean intro & verse

Original rig

Roland JC-120 Jazz Chorus, ESP MX-220 with EMG 60 (neck) / EMG 81 (bridge), onboard analog stereo chorus

Pristine, chorus-treated, slightly scooped high-headroom 80s clean

Amp settings — Mooer GE150

CHANNELJazz 120 (Roland JC-120 Model) + 2x12 JC-120 Cab IRBRIGHTonBOOSToff

Knob	Setting (0–10)
Gain	2
Bass	6
Mid	4
Treble	7
Reverb	3
Master	7

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Guitar

PICKUPneck TONE10 VOLUME9

Signal chain

01Compressor Block (Mooer GE150)

Pre-amp for percussive clean pick attack and even dynamics

Sustain 4 · Attack 5 · Level 6

02Chorus Block (Mooer GE150 - CE Chorus)

Post-amp/FX block to emulate the classic built-in JC-120 Dimensional Space Chorus

Rate 4 · Depth 6 · Level 5

03Digital Delay Block (Mooer GE150)

Subtle slap/spatial tail (~350ms)

Time 4 · Feedback 2 · Level 3

Why these settings

The Jazz 120 amp model in the Mooer GE150 replicates the ultra-clean solid-state headroom of the original JC-120. Because the Les Paul Classic humbuckers have a thicker low-mid profile than James' active EMG 60, mids are pulled down to 4 and volume is backed off to 9 to preserve absolute pristine clarity without clipping the modeler's input.

PRO TIPUse a thin-to-medium nylon pick and pluck strictly over the middle/neck area with gentle, consistent alternate picking to capture the glass-like percussive click heard on the intro.

Get this tone on your amp

These settings are for a Mooer GE150. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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