[Simon] wrote in to tell us about a headphone tube amp that he just built ... [Simon’s] design adds an on board regulated power supply and a volume control for the input. Effort was made ...

Conversation evolved into bloviation on what our cover art would look like, certainly it would be a photo of our battery powered tube ... amplifier and power amplifier circuits you can scale your ...

NAMM 2025: AmpRx has unveiled Brownie, an voltage optimising power supply that’s designed to give your tube amp exactly what ...

Self-taught boutique builder Charles Henry puts musicality first with his designs, winning fans including Grace Bowers and ...