|
|
| (8 intermediate revisions by 2 users not shown) |
| Line 1: |
Line 1: |
| {{Vacuum Tube
| | #redirect[[12BY7A]] |
| |Type=Pentode
| |
| |Number=12BY7
| |
| |EuroNumber=
| |
| |RussianNumber=
| |
| |Part_nos=
| |
| |Description=miniature 6.5 W power pentode
| |
| |Used_in=106;531;533;535;536;541;543;535;545;545A;549;555;
| |
| |Designers=
| |
| }}. The '''12BY7A''' (European equivalent '''EL180''') is a compatible and slightly improved version.
| |
| | |
| 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 || Note 1
| |
| |}
| |
| Note 1: Made obsolete 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]] |