Quote:
Originally Posted by Tubejunke
Thanks Dave! That should help a lot.
Anyway, today I got everything reassembled and powered it up. Nothing bad happened, but nothing good either. No HV and only a blue glow in the top portion of the rectifier. I put it on my B&K tester and it is dead as a doornail like the heater is open.
Not sure where or why that would have happened. So, now I will hunt another 3AT2. A local supplier here has International Servicemaster brand which I don't want to get. If anyone has a supply of these and needs anything of that style base; I have a box of these type tubes which I have no use for including some pretty expensive sweep tubes. Just throwing it out there.
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Send me a PM with your email address and I can send you the full resolution pictures of the schematics. Upload to this site compresses the heck out of them and makes them look really fuzzy. A quick look at
http://www.vacuumtubes.net/Prices%200A1%20to%203Z4.htm
shows they sell 3AT2s for $3.00. Other places are probably similar prices. I usually get two of each tube I order to have a spare and in case one is not so good.
Actually, a bad 3AT2 matches the Goodman description of the burnt resistor problem.
Dave