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You said 3 to 12 inch round?
The 9AP4 and 12AP4s in early TVs have not been rebuildable yet and I had found 9 and 12 inch round radar CRTs that could be rebuilt and used as
the 9 and 12AP4s. So are any 9 or 12s Mag deflection and about a 40 degree
deflection angle?
Even the 7DP4s used in RCA 621s, I had found a AIR FORCE CRT with a P4 that could replace them at Fair Radio surplus. There was no clue in the Air Force number that it was a P4.
Might be gold in that pile?????
Can you get any numbers from the tubes???
5JP4, different with plates on the neck but very early CRTs had it that way and with a anode lead it should have a brighter screen than the 5BP4s.
Dennis Choinski See Steves ETF site
ADAM you never PM back about the 730 chassis so I found another one?????
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