[codefox1]

Totally agree, Easier to make enemies than friends in this hobby. I don't sell tubes. Now then please try to determine why you need the replacement tube, i.e. filter capacitors, crispy resistors pointing to further problems, etc... And when you think you are ready use a variac or a dim bulb tester, and I like to use an old fashioned analog milliamp meter, say 500 MA range for a small radio, to check out the B+ current during initial testing. Be ready to shut things down very quickly. Best!