If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...
There are a small handful of old tubes that need an impressively low voltage to work, though, and [J.G.] has put a few of them to work in this battery-powered audio tube amplifier. The key to the ...
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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 that looks to optimize the tone and performance of valve-loaded ...
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“The tonal character and responsiveness is indeed quite tubular”: Vox Valvenergy 2nd Series pedals reviewVox first introduced its Nutube technology in a series of micro amps back in 2017 ... to function like a traditional tube but with low-current and low-voltage specs. The new second series of ...
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