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Most post-war European thermionic valve (vacuum tube) manufacturers have used the Mullard–Philips tube designation naming scheme. Special quality variants may have the letter "S" appended, or the device description letters may be swapped with the numerals (e.g. an E82CC is a special quality version of an ECC82)
110–119 – Y8A 8-pin steel tube base; Rimlock B8A; 130–139 – Octal; 150–159 – German 10-pin with spigot; 10-pin glass with one big pin; Octal; 160–169 – Inline wire-ended Pencil tubes; Y8A 8-pin steel tube base; 170–179 – RFT 8-pin; RFT 11-pin all-glass gnome tube with one offset pin; 180–189 – Noval B9A; 190–199 ...
European tube manufacturers agreed on the system, but in the UK, MOV (Marconi-Osram Valve), STC/Brimar and Mazda/Ediswan maintained their own systems. Most MOV tubes were cross-licensed copies of RCA types, with a British designation. For example, an MOV X63 valve was the same as an RCA 6A8 tube.
The Radio Electronics Television Manufacturers' Association was formed in 1953, as a result of mergers with other trade standards organisations, such as the RMA.It was principally responsible for the standardised nomenclature for American vacuum tubes - however the standard itself had already been in use for a long time before 1953; for example, the 6L6 was introduced in July 1936.
Neon lighting (1 C, 21 P) V. Vacuum tube displays (1 C, 29 P) Valve amplifiers (31 P) Pages in category "Vacuum tubes" The following 160 pages are in this category ...
President Joe Biden will return to Milwaukee on Tuesday to discuss his administration's progress in replacing lead pipes in Wisconsin and across the country, according to the White House.
You can watch Thursday Night Football: Packers vs. Lions at 8:20 p.m. ET/5:20 p.m. PT on Amazon Prime Video. Thursday Night Football returns to its island-game normalcy tonight after a turkey ...
The "mother of all bubbles" is due to pop soon as U.S. outperformance has been inflated by massive amounts of debt, warned Ruchir Sharma, chair of Rockefeller International. The U.S. has become ...
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