*BROWN BOX, new, by AMPrx For decades, knowledgeable techs and players, understanding the fundamentals of tube amplifiers and tone, have utilized voltage optimization as an essential and permanent part of their rigs. Through experience they discover that their tone and signal chain depend directly on supply voltage. Correct supply voltage reveals the original tone fundamental, and that's the beginning and the basis of the signal chain. Keep in mind that pedals and attenuators color your sound, they don't create it. BrownBox is the first line level regulator designed exclusively for tube amp purists who understand where their tone originates. Who doesn't like saturated power tubes at more manageable levels? Why would I want or need voltage regulation? Vintage tube circuits are responsive to voltage changes, dynamics, tone, touch and feel all change at different voltage levels, venue to venue, and that's unacceptable if you happen to have a dialed in signature tone. With BrownBox you can choose to select the era specific voltage necessary for the amps true fundamental tone or you can Brown-down the voltage from a range of safe reduction levels and explore other tonal possibilities BrownBox does that and more. Make it a permanent part of your rig and nail your tone every-time......................$349
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