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 ...

The feature-packed reactive load box is reimagined with a smaller footprint that's ideal for the home recording enthusiast, ...

And because it was initially designed as DIY kit, it’s easy to restore ... Like most vintage audio equipment, original Dynaco ...

Enter an old Radio Shack P-Box stereo amplifier kit ... This isn’t the first Radio Shack kit that [Netzener] has adapted. Check out his single tube radio and classic neon “Goofy Light ...