Today, we’re looking at the AmpRX Brown Box II Input Voltage Attenuator, an electrical unit that provides something often overlooked in the world of tube amplifiers: Correct Power. The basis for any signature world-class tone requires a consistent and dependable signal chain and for that, you need to start at the very beginning – powering your amplifier. The tone and performance of both vintage and modern tube amplifiers rely heavily on the input voltage powering them from the wall.
Variations in input voltage can drastically affect your overall sound and performance and can shorten the life of the components. BrownBox allows you to discover and supply the optimal input voltage for your personal equipment and your personal sound no matter where you’re playing and what voltage you’re receiving from the wall. You’ll have a consistent basis for your signal chain every single time – guaranteed. You just need to find your magic number.
Grab a BrownBox from Sweetwater – https://sweetwater.sjv.io/Mmvqko
The BrownBox has an easy to read LCD screen and an onboard voltmeter so you will always know exactly what voltage you’re receiving from the wall before you ever plug in your amplifier. Play through your amplifier at as many different voltages as your heart desires and you’ll hear the difference.
When the dynamics of a tube amplifier supplied with the proper line voltage are optimized, it will sound and respond as originally intended, revealing the circuit’s true harmonic content. This is the starting point – the basis of the signal chain – and where serious musicians begin creating a signature tone. Head to the AmpRX website for more BrownBox II info, and snag one for yourself from Sweetwater (thanks for sending this over!), to get your favorite vintage amps sounding right…cheers!
Shop AmpRX gear at Sweetwater – https://sweetwater.sjv.io/vN9K0j
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