Einstein Audio Components, based in Germany, is a manufacturer of tube amplifiers, a tube CD player, and phono stages and phono cartridges Ex-movie theater projectionist Steve Guttenberg has also ...

Some of you may remember a recent project that featured on these pages, a 555 timer reproduced using vacuum tubes. Its creator [Usagi Electric] was left at loose ends while waiting for a fresh PCB ...

Talking about vacuum tubes in 2025 might seem like talking about the role of buggy whips in today’s transportation world; but that’s not the case. There’s no denying that these devices—called vacuum ...