A few years back, [Gio] decided to try his hand at building a couple of tube amplifiers ... his UL amp benefits from slightly better capacitors and an uprated power supply, not to mention a ...
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NAMM 2025: AmpRx launches Brownie, a “voltage optimising” power supply for tube ampsNAMM 2025: AmpRx has unveiled Brownie, an voltage optimising power supply that’s designed to give your tube amp exactly what it needs to perform at its best. Now, AmpRx has made voltage ...
the first being rectified by a glassware PS-14 power supply while the later is converted regulated at 6.3V for the tube heaters. The output stage consists of two Edcor audio transformers (one for ...
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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’meaning a consistent supply of power will be fed into your tube amp no matter where you’re playing. Naturally, such power considerations are crucial for consistent guitar tones, and the impact ...
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