Today, we should be receiving 120V AC from the wall, but depending on where you are and what time of day it is, you can receive anywhere from 120V to 129V. That’s not good for your amplifier, or your ears. The BrownBox is an adjustable AC power supply (aka a voltage controller) for your amp or tube gear that helps you run your equipment at the optimal voltage. Plug the BrownBox into the wall, adjust the voltage and then plug your gear into the BrownBox. Depending on the amplifier, a BrownBox user might discover that modern gear runs optimally at 116-118V, or as low as 108-110V for vintage gear. It’s impossible for an amplifier designed for 110V or 120V to sound or operate anywhere near the way it should at 129V. The BrownBox features flexible voltage reductions options that let you bring your power input down to an optimal level, resulting in significantly improved amplifier performance. TECHNICAL SPECIFICATIONS Input: 120VAC, 50/60 Hz; Standard IEC AC cable. Output: Two AC Grounded Outlets, Adjustable Voltage ReductionPower Handling: 5 Amps at 120VAC, 50/60 Hz, up to 540 WattsDimensions: Length: 7.5", Width: 4.5", Height: 4.875"Weight: 3.6 LBS THE DETAILS 120 Volt AC, 50/60 Hz, 5 Amp Voltage Attenuator supplies up to 540 Watts, designed for small or mid to larger sized amplifiers (i.e. Fender Deluxe/Bassman/Twin, Marshall 50w/100w, Vox AC30). Can also be used for parallel or dual amp rigs. Easy to read back-lit L.C.D. display enables real-time voltage and amperage monitoring - also useful for diagnostics Two adjustment modes to help to fine-tune your voltage Proprietary transformer design wound exclusively for use with tube amplifiers, an industry first Equal or attenuated voltage output and a 5 amp fuse with in-rush current protection ensures that you will never accidentally overload your amplifier Powder coated EMF neutral housing and tough road rugged construction Silent, cool operation
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