Everything is stuffed back into the original glass envelope and socket, making this a plug-in replacement for the tube. The effect is quite convincing, as shown in the video below. True ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...

Check the fine print carefully for exclusions, such as failure to cover glass repairs after five years or mechanism repairs for 10 years, Gurskyi advises. Custom Replacement Windows May Take ...

It was then fitted with a 25mm glass lens in order to give it ... The idea is that the build is a direct replacement for a real 6U5 tube. The STM32 controller receives the automatic gain control ...