12BY7: Difference between revisions
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{{Vacuum Tube | |||
|Type=Pentode | |||
|Number=12BY7 | |||
|EuroNumber= | |||
|RussianNumber= | |||
|Part_nos= | |||
|Description=miniature 6.5 W power pentode | |||
|Used_in=106;531;533;535;536;541;543;545;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. | 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) | Tek part number: 154-0047-00 (12BY7A) | ||
{| class="wikitable" | {| class="wikitable" | ||
{{Checkedtubes TableHeader}} | {{Checkedtubes TableHeader}} | ||
| Line 9: | Line 19: | ||
| [[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]] || 157-0053-00 || ? | | [[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]] || 157-0053-00 || ? | ||
|- | |- | ||
| [[106]] || 157-0115-00 || | | [[106]] || 157-0115-00 || Note 1 | ||
|} | |} | ||
Note 1: Made obsolete soon after the number was allocated. | |||
{{Tube aging reference}} | {{Tube aging reference}} | ||
Revision as of 13:03, 10 October 2021
The 12BY7 is a miniature 6.5 W power pentode vacuum tube. The 12BY7A (European equivalent EL180) is a compatible and slightly improved version.
Both are all-glass types with a B9A (Noval) miniature 9-pin 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)
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 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.
Reference:
Data sheets and Links
- General Electric 12BY7A Datasheet (PDF)
- https://en.wikipedia.org/wiki/12BV7
- 12BY7 / 12BY7A @ radiomuseum.org
