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Enter Sandman amp settings — Flatsons KMF-1

The Metallica guitar tone for “Enter Sandman”, dialed in for a Flatsons KMF-1 with a Ibanez GIO GRX40. Studio version, Metallica / The Black Album (1991) — iconic heavy rhythm riff

Original rig

ESP MX-250 Explorer with EMG 81 active humbuckers into blended Mesa/Boogie Mark IIC++ (scooped 5-band EQ) and modded Marshall JCM800 2203 with Aphex parametric EQ

Massive, tight, percussive high-gain rhythm crunch with deeply scooped 800Hz-1.2kHz midrange and razor-sharp palm-mute attack

Amp settings — Flatsons KMF-1

CHANNELMesa Mark / Modern High Gain model + 4x12 V30 cab IRBRIGHToffBOOSToff

Knob	Setting (0–10)
Gain	7
Bass	7
Mid	2
Treble	7
Presence	6
Reverb	1
Master	6

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Guitar

PICKUPbridge TONE10 VOLUME10

Signal chain

01Flatsons KMF-1 TS-style Overdrive Block

Engaged in front of the amp model as a tight clean boost to cut sub-bass flub and sharpen palm muting

Gain 1 · Tone 6 · Level 8

02Flatsons KMF-1 Noise Gate Block

Placed before the amp block to silence high-gain hiss during staccato chugs

Threshold 6 · Decay 3

Why these settings

The Ibanez GRX40 uses passive ceramic bridge humbuckers that have less compressed low-end punch than James Hetfield's active EMG 81s, so the TS-style boost block is set with high level and near-zero drive to tighten the tracking. The amp model's midrange is scooped down to 2 to recreate the Mark IIC+'s graphic EQ 'V' shape, while bass is kept at 7 for bottom-end thump without muddying up. Clean intro: switch to the neck single-coil, bypass the high-gain block, and engage a clean Fender-style amp model with light chorus.

PRO TIPPick aggressively with a heavy 1.0mm+ tortex pick strictly using downstrokes right against the bridge saddles to get the razor-sharp, percussive chunk on the E-string chugs.

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These settings are for a Flatsons KMF-1. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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