S sbelyo New member Apr 9, 2011 #1 Hello.. I have a Mullard 12AU7 that tests good for emissions but when I run a grid leakage test one side shows questionable, and the other side shows bad. What will this tube do when I use it in my crack?
Hello.. I have a Mullard 12AU7 that tests good for emissions but when I run a grid leakage test one side shows questionable, and the other side shows bad. What will this tube do when I use it in my crack?
D dstrimbu New member Apr 10, 2011 #2 I'm thinking that it will be really noisy. I have one of those too, bought it on eBay. It hums badly.
I'm thinking that it will be really noisy. I have one of those too, bought it on eBay. It hums badly.
