website posted by jbhul is golden
3 responses Add your response
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. |
This person is a good source to add to your research. Andy is a congenial and appears to be knowledgeable person. http://vintagetubeservices.com/ |