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3RP4 crt?
Does anyone know what this tube would have been used in? Got one today and have never seen one. Similar in build and specs to a 3KP4 but one more pin with the connections shifted slightly.
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Apparently used in a portable video camera in 1956.
I never knew they had any cameras that small back then, some of the cameras used with early home video were just as big. https://www.facebook.com/18935974776...20477584656461 |
A little search after Kutztown on the internet shows this bulb to be almost identical to the 3KP4 in specs. More than passable for a 3KP4 sub. Just a wiring change from 11 pin to 12 pin. Now to decide how to do it. Adaptor...but where do I find an 11 pin male to wire to a 12 pin female. It should fit in the space. Or do I snip and just go 12 pin?
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Apparently, there is enough space for an adaptor... this restorer made it work for a 3RP1 :
http://www.electronixandmore.com/res...lot/index.html jr |
Wow, I have a couple of 3RP1s squirreled away 'just in case' but I've never come across a P4. Nice find.
-- Dave Sica |
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