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The 6BW4 is a dual-diode tube where both diodes share a common cathode. | The 6BW4 is a dual-diode tube where both diodes share a common cathode. | ||
The 6BW4 has a 6.3-volt heater. | |||
There is also a 12BW4, which is the same but with a 12.6-volt heater. | |||
* [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 Datasheet (PDF)]] | * [[Media:Sylvania 6BW4 datasheet.pdf|Sylvania 6BW4 and 12BW4 Datasheet (PDF)]] | ||
<gallery> | <gallery> |