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Test CRT Numbers ?
Hello,
Last weekend at the WARCI , Milwaukee swap meet I saw this crt in the rear of a seller's van. It had no numbers on it, but the tube basing caught my attention. I took a chance and paid him three dollars for it. Tom C. was at the meet with his CRT tester, so he later tested it for me. I think the crt is a 5AXP4. Does anyone know if there were any other crt's that were made this size? I tested the tube in an Admiral 20X1 chassis I just finished recapping. This test crt will make it easier for me to work on the old RCA's where the crt is installed from the front. I have about 5 more to recap yet. Ed Last edited by EdKozk2; 09-21-2017 at 11:09 AM. Reason: grammer |
#2
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Quote:
I'll get some dimensions this weekend and see if my CRT matches up to anything I can find. EDit - Not an 8KP4 for sure - 8KP4 is a rectangular CRT....
__________________
Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! |
#3
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8YP4 is one of the other ones and the other is the 8XP4.
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#4
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Some information about the "test tubes".
https://www.antiqueradio.org/8XP4PictureTube.htm https://www.antiqueradio.org/5AXP4PictureTube.htm http://www.radiomuseum.org/tubes/tube_8yp4.html |
#5
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Thanks Brian and KVFLYER,
I wasn't sure if any other 5 inch round test crt's were sold. I forgot Phil's website had info on test crts. Ed |
Audiokarma |
#6
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The full line, from Sylvania:
__________________
Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! |
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