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Questions about 19AP4

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07-30-2021, 03:35 PM

bandersen

RCA 741PCS

Join Date: Mar 2009

Location: Chicago, IL

Posts: 8,778

Pretty much all the early 12 pin CRTs have the same pin out and similar specs. The 10BP4 will work but you may be pushing the HV a little hard.

I believe you could also rig up a 5PF7 radar CRT in a pinch. The phosphor will be weird, but they're cheap and work fine for initial power up and troubleshooting.

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