"The Voodoo mods make these amps amazing. They sound so much better than they used to. We have two of them: the main one is setup for Billy's main dirty sound and goes to the Marshall 120-120 power amps," says Billy Gibbons's guitar tech about the Marshall ValveState Pro 120/120 Power Amp.more
"I have a Marshall Valvestate 120 power amp…", states Jerry Horton of [Papa Roach](http://equipboard.com/pros/jerry-horton). Check out the full Guitar Player [interview](http://www.guitarplayer.com/miscellaneous/1139/papa-roach39s-jerry-horton-on-tones-riffs-and-survival-skills/17013) for more on Jerry's gear.more
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