Quote:
Originally Posted by nasadowsk
Is 8BP4 the one that the little 50's RCA portable uses? if so, I could use a good one (mine has virtually NO picture)
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No; not sure which one goes in the little 8PTxxx portables, but the 8BP4 is a round electrostatic tube that goes in the '49-'50 Motorola 8" sets. Same as a 7JP4 but 8".
I may have an extra tube from one of the metal 8" RCAs... Not sure, but I can check if you need. I have one I'm restoring, and one for parts. As long as the tube is OK in the one I'm keeping, I'd be happy to let go of the spare (if it's also good, of course)
Charles