It's probably one of the most misunderstood things about vacuum tubes: The name on the tube is the company that made it right? Well actually the answer is No - and that's why it can be so confusing. The tube...
Amperex 6DJ8 Tubes...Types and Production Years From the 1958 to ~1976 Amperex made a lot of different styles of the 6DJ8 . This guide will try to put them in chronological order of production. I will be...
So you just bought an Amperex 12AX7 and it was made in Holland, right? Weeelll - not so fast. Amperex was originally an American tube manufacturer on Long Island, NY. The Dutch tube giant Phillips bought...