[Gambr1nus]

Originally Posted by bandersen

According to this website, these are valid substitute for a 12DQ6A - "12GW6, 12DQ6B, 12DQ6, 12CU6, 12GW6" http://www.nostalgiaair.org/tubes/12dq6a.htm

Well, thanks for that. I guess the way that the picture was small and pixelated made me think they were different values. I looked at two different tube comparison and compatibility websites and they weren't ever listed as compatible. I need to get stronger on my tube nomenclature. Thanks for the help.