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 ...

Bring the warm sound of a tube amp to your iPhone. Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more For audio enthusiasts looking to ...

For the electronics enthusiast a tube audio amplifier makes for an interesting and unusual project, and for that reason it’s one tackled by many. [Keri Szafir] is no exception, and she’s ...