12BY7: Difference between revisions

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61 bytes added ,  8 June 2017
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The [[12BY7A]] is a compatible and slightly improved version of the 12BY7.
The [[12BY7A]] is a compatible and slightly improved version of the 12BY7.
<gallery>
12by7a 1.jpg
12by7a 2.jpg
12by7a 3.jpg
</gallery>


[[Category:Pentodes]]
[[Category:Pentodes]]

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