Maybe modding it to take EL34's can bring out more of that Marshall flavor. Guitar Schematics. // Main vBulletin Javascript Initialization //-->. This amp was designed by Bruce Egnater and was B-52's answer to the Mesa Boogie Triple Rectifier. -- Default Mobile Style LOUDSPEAKER OUTPUTS: Connects the AT-100 to the speaker cabinets such as the AT-412A or AT-412B. Harmonious Notes. the closest you'll get to a marshall with this amp is when you sell it to help fund a Marshall. Scroll up to two posts above my original post... Somewhere with a Friedman Marshall & Les Paul. 35. Relative to the AT100 - I just use the clean channel, and use pedals for OD/Dist. ?I'm curious on how many different, easy mods there are for this amp?maybe to get me closer to a Marshall sounding amp. vBulletin_init(); Guitar Wiring. Applied Whammy Bars 101.