— Valve Data Sheets and Application Notes —

Valve Manufacturers Data sheets
6080	From Mullard Data Book 1968
6BR7	From Brimar tube manual No.10	12AX7	From Brimar tube manual No.10
12AT7	From Brimar tube manual No.10
ECC81	Last data issued by Mullard	DK96	From Mullard data book
		KT66	GEC Data sheet issue 5 1977


Valve Manufacturers application data
KT66	GEC Application Report No. 19



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— Links to other data sites — There are so many sites "out there" with more Valve Data than I can possibly post here — Below are links to a few of the best I have seen so far — They each present their Valve Data in different but interesting and informative ways:
Frank's Electron Tube pages; Frank is a real fanatic, he must have worn out several scanners producing the thousands of pdf files listed — Well done Frank
The National Valve Museum; What can I say, just like any other Museum it's stuffy and dull with badly laid out exhibits — Only kidding — It's great, check it out
— Links to Valve and Vintage Hi-Fi homage sites —
PX4.org — A site dedicated to the humble PX4 and single ended triode amplification Rewind Museum — Lots of Vintage electrical items on display a nostalgic trip back or a history lesson depending on your age either way well worth a look