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Old 06-18-2008, 05:18 PM
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electroking electroking is offline
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Join Date: Dec 2007
Location: Montreal (QC), Canada
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Thanks for this lead!

Quote:
Originally Posted by leadlike View Post
kx250rider- I live in central pa, about two hours outside of philadelphia. This seems to be a dead zone for old tv stuff, as I have never seen any for sale here. Lots of nice old radios, though; which is something I am much more knowledgeable about.

I did find this ebay seller who has a number of 21'' tubes. If anyone thinks there is a match here, your help would be greatly appreciated. Hopefully the link won't get too muddled, but the seller has a store called The Old Radio.

http://stores.ebay.com/The-Old-Radio...dZ2QQpZ2QQtZkm

I see for instance he has several crts that have the proper deflection stats and the like, but the pinout is different, and I don't think that any of them require an ion trap, which mine does. So with his 21cxp4 for example, would I disconnect pin six (g4) and use the ion trap (after making the anode pins line up properly of course) instead?
Thanks for this lead!

I just bought a 21DMP4, which is given as an exact substitute for my
21DEP4. The guy was also listing a 21CBP4, which would have been
a good substitute for my 21ALP4A, but he found the wrong tube in
the box and had to remove the listing. The search continues.
Cheers to all!
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