The Decware SuperZen Triode Model SE84UFO2 is a handmade 2.3 watts/channel tube amplifier that hits much harder than its power rating would suggest. Over the past 23 years, I have had the opportunity ...

Juergen Grau located in Rohrbach, Germany has designed and created a new STC Super Triode connection power amplifier Mk II Bausatz which has this week launched by a Kickstarter to raise the required ...

This Design Idea is a reprint of an earlier one that contained errors in graphics (Reference 1). Even though 6L6 beam-power tubes have been around for 66 years, they are still quite popular for use in ...

Icon Audio has unveiled details of its Stereo 845 pure triode push-pull integrated valve amplifier. The Stereo 845 comprises four matched 845 valves, two 6SL7 first-stage valves, two 6SN7 ...

Can you find happiness with one of Decware's ultra-low-power tube amplifiers? It's "green," high-efficiency hi-fi at its best. Ex-movie theater projectionist Steve Guttenberg has also worked as a high ...

Fezz Audio is not some boutique tube brand trying to sell Americans a misty-eyed postcard from Eastern Europe. Designed and manufactured in Poland, the new Integrated Amplifier arrives in the U.S.