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Old 10-12-2016, 02:28 PM
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Electronic M Electronic M is offline
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Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
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Quote:
Originally Posted by bandersen View Post
The original CRT is magnetically deflected while the 8BP4 is electrostatic. Unfortunately, I don't think there are any U.S. made 8" round magnetically deflected CRTs

Here's the pinout. Not much to it. Just a basic triode gun.
http://www.radiomuseum.org/tubes/tube_23lk1b.html
Didn't those Arvin metal cabinet hospital sets use an 8" mag deflection CRT?
If I were in his shoes I'd first look for an Arvin, and or radar CRTs...There may have been an American military or radar application 8" CRT that could be used in the original's place. On the radar and mill tubes you want to bone up on phosphor types...IIRC there are some non-p4 types that will look decent, and others that will be terrible.
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