12-16-2020, 03:50 PM
Most people seem to think that the only difference is shielding.
Another aspect, though most of these are inexpensive, since the testers only indicate one flavor: What do you look for in a "NOS" tube - what does your tube vendor test for?
Another aspect, though most of these are inexpensive, since the testers only indicate one flavor: What do you look for in a "NOS" tube - what does your tube vendor test for?
