Guitar World on MSN
The AmpRx Brownie can tweak your amp’s voltage for maximum tone – and it could be your key to finally unlocking Eddie Van Halen’s coveted ‘Brown Sound’
NAMM 2025: AmpRx has sought to shake things up for tube amp users by releasing the Brownie – a nifty voltage controller tool ...
The input transformer is likely to be the most expensive part of the entire project. As an alternative, a couple of 12 Volt car batteries could be used. The input voltage to the regulator must be at ...
Assuming that they're in series, 6v nominally for alkaline, as low as 4.8 for NiMH. Batteries are specced in Amp-Hours, not amps--amperage is a rate, Ah is a quantity indicating the amount of energy ...
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