High-end hi-fi shops are full of tube-based devices, and a plethora of tube amplifier kits are available for the electronics enthusiast. Tubes can be bought under a bewildering array of brands ...

First made in 1959, this is the best-selling tube amplifier of all ... Uniquely, Dynaco sold its amplifiers in two different ...

The 6J1 seems to be ubiquitous throughout the Chinese kits, which is surprising when you understand that it’s not an audio tube at all. Instead it’s a small-signal VHF amplifier, a rough ...

Discover how solid-state tube replacements offer a reliable, eco-friendly alternative to traditional vacuum tubes without ...