DESCRIPTION:
Here's a little comparison of my Marshall heads...
it's by no means complete or scientific or covers all the tones from the amps...
I merely thought it'd be nice to show you some of the high gain thrash tones I like from those models.

The amps are:

4:16 JMP 2203 (talk)
5:06 JMP 2203 (clip)
5:30 Soldano Hotmod Info (talk)
6:36 JMP 2203 with HotMod (talk)
6:57 JMP 2203 JMP 2203 with HotMo (clip)
7:22 JCM800 2203 (talk)
8:00 JCM800 2203 (clip)
8:26 JCM800 2210 (talk)
9:13 JCM800 2210 (clip)
9:43 JCM800 2204 - Fortin modded (talk)
10:31 JCM800 2204 - Fortin modded (clip)
11:04 JCM900 2500 MKIII (talk)
12:17 JCM900 2500 MKIII (clip)
12:42 JCM900 2100 SL-X (talk)
13:53 JCM900 2100 SL-X (clip)
14:25 JCM2000 DSL (talk)
15:51 JCM2000 DSL (clip)
16:27 JVM410 (talk)
17:26 JVM410 (clip)
18:12 Mode Four (talk)
19:02 Mode Four (clip)
19:36 Valvestate 8100 (talk)
20:43 Valvestate 8100 (clip)