5842

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The 5842 aka CK5842 aka 417A (P/N 157-0098-00) is a high-gm UHF triode vacuum tube with a B9A (Noval) miniature 9-pin base.

It is used in low serial number instances of the 2A61, in the front-end differential amplifier.

Aged/Checked/Matched Pair Details
Used in	Tek Part#	S/N Range
2A61	157-0098-00	All

Reference:

Tube aging procedure / Selection and checking procedure

Links

Retrieved from "https://w140.com/tekwiki/index.php?title=5842&oldid=69578"

Triodes