For the electronics enthusiast a tube audio amplifier makes for an interesting and unusual project, and for that reason it’s one tackled by many. [Keri Szafir] is no exception, and she’s ...

With the wealth of cheap and highly integrated audio amplifier modules ... have seen other homemade vacuum tubes before — we even recently featured a DIY X-ray tube — but there’s something ...

One big change is the addition of two JAN6418 vacuum tubes, with the M8T featuring both a tube amp and a transistor-based ...