12BW4: Difference between revisions
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The 12BW4 is a dual-diode tube where both diodes share a common cathode. | The '''12BW4''' is a dual-diode tube where both diodes share a common cathode. It has a 12.6 V heater and a {{B9A base}}. | ||
The [[6BW4]] is identical but with a 6.3 V heater. | |||
==Data== | |||
* [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 and 12BW4 Datasheet (PDF)]] | * [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 and 12BW4 Datasheet (PDF)]] | ||
* [https://www.radiomuseum.org/tubes/tube_12bw4.html 12BW4 @ radiomuseum.org] | |||
==Pictures== | |||
<gallery> | <gallery> | ||
Revision as of 05:36, 27 November 2018
The 12BW4 is a dual-diode 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.
