Quote:
Originally Posted by Electronic M
Unfortunately that sub is probably not going to work. Around 1968 a law was passed that changed tube size measurement from outside bulb diagonal to viewable phosphor area diagonal (which is around 2" smaller) and newer tubes that use viewable phosphor area have a V as the first letter and usually 4 letters. So a ~1966 tube like your 25AJP would become a 1969 23VAJP.
The 25VDMP you're looking at is going to be 2" bigger than the 25AJP so it's probably not going to fit.
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OK, so I wonder if it would be possible to find another 25AJP22 picture tube as NOS on some place like eBay or someone on here might have one and if it could be acquired for inexpensive? I paid $40 and I don't want to pay anymore than $100 to get this TV up and running (the last time i looked into trying to get a NOS picture tube from the Antique TV Society museum down in Cleveland, Ohio they wanted $400 for a 21" B & W Picture Tube for an old Zenith B & W TV that I was attempting to restore that the original picture tube got necked by accident, and I didn't think that $400 was worth it because I didn't have that kind of money on me (I don't even make that much in one paycheck.)