12BY7: Difference between revisions

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The [[12BY7A]] is a compatible and slightly improved version of the 12BY7.
The ''12BY7''' is a miniature 6.5 W power pentode.  The '''12BY7A''' (European designation '''EL180''') is a compatible and slightly improved version.  Both are Noval-socket, all-glass types and share the EIA 9BF pinout with a number of other miniature pentode tubes of the era.


==Data sheets and Links==
[[File:No64.png|right|9BF socket diagram]]
* [http://w140.com/12by7a.pdf General Electric 12BY7A Datasheet (PDF)]
* https://en.wikipedia.org/wiki/12BV7
* [http://www.radiomuseum.org/tubes/tube_12by7.html 12BY7 @ radiomuseum.org]
==Used in==
* the output stage of the [[1121]]
* the first stage of the [[535]], [[545|545A]], and [[555]]
==Pictures==
<gallery>
<gallery>
12by7a 1.jpg
12by7a 1.jpg

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