Buy Me a Coffee at ko-fi.com

High-voltage shunt regulator tube

vacuum tube (usually beam tetrode or triode) for regulating high voltage supply to the cathode ray tube

Pronunciation
/hʌɪ - ˈvəʊltɪʤ ʃʌnt ˈrɛɡjʊleɪtə tjuːb/
/haɪ - ˈvoʊltɪʤ ʃənt ˈrɛɡjəˌleɪdər tjub/