Best 3A5 / DCC90 / CV808 tubes?

I'm looking to pick up 4 of this tube type, but can't find much info on them, such as recommended ones to buy or even where to buy them at all.

Any help appreciated!

mmcgill82904-05-2024 8:08am

jasonbourne71 Details Discussions Posts This discussion Message User 843 posts 04-05-2024 at 05:53pm Copy Comment URL Report Comment Edit Delete The 3A5 designation means "3 volt heater, 5 element/pentode structure". This is a new one for me! I will have to take a look at my GE tube manual.
jasonbourne71 Details Discussions Posts This discussion Message User 843 posts 04-05-2024 at 06:28pm Copy Comment URL Report Comment Edit Delete It's a double triode tube. There are plenty available cheap on eBay right now.
jasonbourne71 Details Discussions Posts This discussion Message User 843 posts 04-06-2024 at 07:12am Copy Comment URL Report Comment Edit Delete There are plenty of 3A5's available on Ebay. Some are in boxes and presumably new. Prices are low! You could buy and try a bunch!