cold-cathode TWT

[RayP]

I eagerly await the first B'head product using this technology and for its name, I would suggest the Fridgid.

http://spectrum.ieee.org/semiconductors/devices/the-quest-for-the-ultimate-vacuum-tube?utm_campaign=Weekly%20Notification-%20IEEE%20Spectrum%20Tech%20Alert&utm_source=boomtrain&utm_medium=email&utm_term=555a972628fbca1d260da1ba&utm_content=&bt_alias=eyJ1c2VySWQiOiI0M2YwMmNhMC1kYmI0LTQxNDctOTY2Mi00OTI2ZjM4Y2I0NWQifQ%3D%3D

ray

[howardnair]

Ray. Thank you A fascinating article