12BY7: Difference between revisions

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The '''12BY7''' is a miniature 6.5 W power pentode.  The '''12BY7A''' (European equivalent '''EL180''') is a compatible and slightly improved version. 
#redirect[[12BY7A]]
 
Both are all-glass types with a {{B9A base}} and share the EIA 9BF pinout with a number of other miniature pentode tubes of the era.
 
Tek part number: 154-0047-00 (12BY7A)
{| class="wikitable"
{{Checkedtubes TableHeader}}   
|-
[[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]]  || 157-0053-00  || ?
|-
|  [[106]]  || 157-0115-00  || Note1
|}
Note1:Made obsolete after soon after the number was allocated.
 
{{Tube aging reference}}
 
==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
* [[tube:12by7 | 12BY7]] / [[tube:12by7a|12BY7A]] @ radiomuseum.org
 
==Used in==
* the output stage of the [[1121]]
* the first stage of the [[535]], [[545|545A]], and [[555]]
 
==Pictures==
<gallery>
12by7a 1.jpg
12by7a 2.jpg
12by7a 3.jpg
</gallery>


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

Latest revision as of 05:49, 21 September 2023

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