It's old, British and cool, and you might even be able to pick up one for 500 bucks. But with its edgy Vox, underpowered ...

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 ...

Packing three vintage Marshall-inspired modes plus a preamp enhancer inspired by the AC/DC guitarist's not-so-secret secret ...

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 ...

For musicians and audio enthusiasts, tube amplifiers deliver a warmth and dynamic quality that many consider unparalleled, ...

First made in 1959, this is the best-selling tube amplifier of all time. Every product is carefully selected by our editors.

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in ...