🎚️ Amp settings

Marshall JCM900 settings

A Marshall JCM900 guitar tone starts around gain 6.5, bass 6, mid 6, treble 6.5, presence 5.5 (out of 10), averaged from 16 famous recordings made on one. Use the all-rounder dials below, then jump into any specific tone — GuitarToneAdapt re-dials it for the exact guitar, pickups and amp you actually own.

All-rounder starting point
Gain
6.5
Bass
6
Mid
6
Treble
6.5
Presence
5.5
Reverb
2
🎛️ Adapt any of these to YOUR guitar & amp — free →

Starting points by genre

Rock · 6 tones
Gain
6.5
Bass
6
Mid
7
Treble
6.5
Presence
6
Reverb
2.5
Sludge metal · 3 tones
Gain
5.5
Bass
6
Mid
5
Treble
5.5
Presence
5
Reverb
2
Metal · 2 tones
Gain
9
Bass
7
Mid
4.5
Treble
7
Presence
6.5
Reverb
1
Punk · 2 tones
Gain
8
Bass
6
Mid
6.5
Treble
7
Presence
6.5
Reverb
1
Britpop · 2 tones
Gain
4.5
Bass
5
Mid
6.5
Treble
6.5
Presence
5.5
Reverb
2.5

Marshall JCM900 settings for a specific genre

Marshall for Rock →Marshall for Metal →

Artists who use the Marshall

Oasis ×5 →Acid Bath ×3 →blink-182 ×2 →Trivium ×1 →Hole ×1 →Charlie Brown Jr. ×1 →kessoku band ×1 →Héroes del Silencio ×1 →

16 famous tones on a Marshall JCM900

Like Light to the FliesTrivium · metalgain 9.5 · treb 7
bass 7.5 · mid 4.5Dammitblink-182 · punkgain 8.5 · treb 7
bass 5.5 · mid 6.5Sweet Dreams (Are Made of This)Marilyn Manson · metalgain 8 · treb 7
bass 6 · mid 4.5First Dateblink-182 · punkgain 7.5 · treb 7
bass 6 · mid 6PlumpHole · rockgain 7.5 · treb 6.5
bass 6 · mid 7So Por Uma NoiteCharlie Brown Jr. · rockgain 7 · treb 6.5
bass 6 · mid 7Dr. Seuss Is DeadAcid Bath · sludge metalgain 7 · treb 5.5
bass 6 · mid 5GraveflowerAcid Bath · sludge metalgain 7 · treb 5.5
bass 6 · mid 5Never forgetkessoku band · rockgain 6.5 · treb 7
bass 5.5 · mid 6.5Supersonic (Live at Wembley Stadium, July 2000)Oasis · rockgain 6.5 · treb 5.5
bass 7 · mid 7Some Might SayOasis · rockgain 6.5 · treb 7
bass 6 · mid 7Stand By MeOasis · rockgain 6 · treb 6.5
bass 6 · mid 7Entre Dos TierrasHéroes del Silencio · hard-rockgain 6 · treb 6
bass 5 · mid 6Don't Look Back in AngerOasis · britpopgain 4.5 · treb 6.5
bass 5 · mid 6.5Champagne SupernovaOasis · britpopgain 4 · treb 6.5
bass 5 · mid 6Scream of the ButterflyAcid Bath · sludge metalgain 2.5 · treb 6
bass 5.5 · mid 5.5

Full songs you can dial in on a Marshall

Entre Dos Tierras — every part →

Marshall tones by character

Tight tones →Aggressive tones →High Gain tones →Percussive tones →All characters →

Marshall JCM900 settings — FAQ

What are good starting settings for a Marshall JCM900?

Across 16 famous recordings: gain 6.5, bass 6, mid 6, treble 6.5, presence 5.5 (out of 10). Tune from there per song.

What EQ / knob settings does a Marshall JCM900 need?

Set the EQ to roughly bass 6, mid 6, treble 6.5, presence 5.5, with gain 6.5 (all out of 10). Lower the gain for cleaner tones; push the mids to cut through a band.

What are the best Marshall JCM900 settings for each genre?

Genre averages on this amp: rock (gain 6.5, mid 7); sludge metal (gain 5.5, mid 5); metal (gain 9, mid 4.5); punk (gain 8, mid 6.5). See "Starting points by genre" above for exact gain/bass/mid/treble/presence, or open any song and GuitarToneAdapt re-dials it for your own rig.

Do I need a real Marshall JCM900?

No. GuitarToneAdapt models how a Marshall JCM900 shapes the sound and compensates for the amp and guitar you have, free in the browser.

Settings are community-researched estimates averaged across recordings, adapted to your gear by GuitarToneAdapt. Browse by gear · All 1,100+ tones