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Old 05-04-2015, 01:54 PM
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dtvmcdonald dtvmcdonald is offline
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WTB: focus and ion trap magnets and HV connector

I need (permanent) focus and ion trap for a 12LP4 to be used as a test
CRT for a TRK12. Where do I get these? Anybody have them for sale?
These are garden variety items. (12LP4s also sometimes used electromagnet
focus.)

Are there places that sell these? Steve at the ETF thought I could find some
in their scrap mid 50's TV, but no luck. All wrong ones or already gone.

I also need an HV connector for this tube.


Doug McDonald
jdmcdona@illinois.edu
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Old 05-04-2015, 09:55 PM
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bgadow bgadow is offline
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I have some focus magnet assemblies from 50s sets, and some ion traps. I can't say whether or not they would work in your application, though. Any further details you can give?
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Bryan
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Old 05-04-2015, 11:25 PM
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dtvmcdonald dtvmcdonald is offline
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No more details. They are not for the radar tube replacement
for the original 12AP4. They are for a 12LP4 1950's tube
I'm going to use in a test jig. Steve McVoy tried this and it worked
OK for testing. Any late 1940's's ion trap and and mid 50's
focus magnet should work, but if there are multiple types
of focus assemblies, perhaps I should get a couple.

send me a private message.
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