12BW4: Difference between revisions

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==Data==
==Data==
* [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 and 12BW4 Datasheet (PDF)]]
* [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 and 12BW4 Datasheet]]
* [[tube:12bw4|12BW4]] @ radiomuseum.org
* [[tube:12bw4|12BW4]] @ radiomuseum.org



Latest revision as of 05:12, 14 September 2023

The 12BW4 is a dual diode vacuum tube where both diodes share a common cathode. It has a 12.6 V heater and a B9A (Noval) miniature 9-pin base.

The 6BW4 is identical but with a 6.3 V heater.

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Data

Pictures