[WGH]

Western Electric is thinking of expanding their tube production to include tubes that are in short supply.
https://www.westernelectric.com/expand

"Western Electric is assessing plans to expand tube operations. Our latest factory is equipped to handle production of multiple tube types and, in light of recent worldwide events, we believe our capacity to do so may become vital to the industry.

"While we continue to meet steady demand for the type 300B triode, we want to hear from you regarding other popular tube types. Click below. Fill the form. After you share your thoughts, be sure to share this page with others."