Hey soj! You seem to be the staunchest 4100 supporter out there. I too rock the 4100 and love it! Have not rocked any other Marshall half-stacks (or tube amps in general). This was my first "tube" amp, and I didn't do any research on the specific model. Assumed that since it had tubes there wasn't anything solid-state-y in it. Well, as you know, it doesn't sound like a SS amp at all. Any tips you can toss down? Also, I pulled 2 tubes and the thing really cooks now. Thinking about switching up to KT77...like a tight tone. Any opinions on those tubes? Have a great day, man.

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myspace.com/phasedarray1