12BY7: Difference between revisions

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Tek part number: 154-0047-00 (12BY7A)
Tek part number: 154-0047-00 (12BY7A)
{| class="wikitable"
{{Checkedtubes TableHeader}}   
|-
|  [[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]]  || 157-0053-00  || ?
|}
{{Tube aging reference}}


==Data sheets and Links==
==Data sheets and Links==

Revision as of 08:13, 5 June 2020

The 12BY7 is a miniature 6.5 W power pentode. 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 ?


Reference:

Tube aging procedure / Selection and checking procedure


Data sheets and Links

9BF socket diagram
9BF socket diagram

Used in

  • the output stage of the 1121
  • the first stage of the 535, 545A, and 555

Pictures