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 ...

Italians make beautiful things. The Unison Research Triode 25 Integrated Amplifier ticks off every box and then some. Our early thoughts. I have long held the belief that audio components reflect the ...

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 ...