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

lewm Details Discussions Posts This discussion Message User 12,565 posts 04-05-2024 at 02:49pm Copy Comment URL Report Comment Edit Delete I don’t recognize any of those alphanumeric codes. What is it? Is it a 2A3 with an oddball filament?
jasonbourne71 Details Discussions Posts This discussion Message User 883 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 883 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.