The four horsemen amp settings — Lyx pro Agl 20
The Metallica guitar tone for “The four horsemen”, dialed in for a Lyx pro Agl 20 with a Donner Stratocaster. Studio version, Kill 'Em All (1983) — James Hetfield rhythm/riff tone
1980 Gibson Flying V (humbuckers), modded Marshall JMP 2203 100W head (cranked preamp gain), no pedals, dry track
| Knob | Setting (0–10) |
|---|---|
| Gain | 2 |
| Bass | 7 |
| Mid | 4 |
| Treble | 5 |
| Reverb | 0 |
| Master | 6 |
01Electro-Harmonix Metal Muff
Gain source (Top Boost switch off). Direct into amp input.
The LyxPro AGL-20 clean channel acts as a transparent platform with low gain to prevent double-gain mud while the Metal Muff supplies the high-gain 1983 thrash crunch. Because your Strat single-coil bridge pickup is inherently thinner and brighter than Hetfield's humbuckers, the pedal mids are scooped to 3 while pedal bass is pushed to 7 and the guitar tone knob is rolled back to 8 to tame harsh ice-pick highs. Keep the amp reverb at zero for that bone-dry studio attack.
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These settings are for a Lyx pro Agl 20. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.
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