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- - 21fjp22 or 21fbp22 (http://www.videokarma.org/showthread.php?t=274928)

timmy

04-19-2022 08:22 PM

21fjp22 or 21fbp22

So are there any 21fjp22 or 21fbp22 crts around used of course I’m looking for one . Or maybe even a trade for a brand new 7jp4 in the original box numbers match as well as the serial number both numbers from box are on the tube.

Electronic M

04-19-2022 08:53 PM

If you are coming to the ETF check my thread on it I have one I can bring, but I won't ship it.

timmy

04-20-2022 05:50 AM

The tube I have does check good but I really don’t know if the life test is that accurate or can it be relied on for getting a good idea how good a tube is. If the life test is accurate then is there a guideline on how long to let the heaters heat up befor testing the life function.

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