what tubes to relace inmy fosgate phono section


any help with this
jerrygarcia
This person is a good source to add to your research. Andy is a congenial and appears to be knowledgeable person.

http://vintagetubeservices.com/


A copy of this book comes in handy when considering tube equivalents, for example 12ax7 vs ecc83; 6DJ8 vs 6922:

https://www.amazon.com/Tube-Substitution-Handbook-Barry-Buchanan/dp/0790611481

Maybe if you can find one used.