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Old 25th Jun 2020, 4:30 pm   #39
AdrianH's Avatar
Join Date: Mar 2020
Location: Blackburn with Darwen, Lancashire, UK.
Posts: 851
Default Re: Yes, yet another home made valve tester.

Hello Stuart.

I think Petedox eluded to that in post 15 as mentioned in one of the utracer manuals.

That is basically what I did in the end, but with lots and lots of ferrite beads. But due to the fact I went back and started from the 9 pin main socket to the B9a socket, the 7 pin is a spur from this otherwise the Noval B9A, B8A and octal sockets all form a ring.

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