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Heatercathodeshort · 23rd Nov 2020, 2:55 pm

I have never tried it on a pre war tube. The 6/6 in my 900 is very slow to start but gets very viewable after 15 mins.
I have a very good spare and maybe sometime I will fit it and try Bertha on the original one.
Just maybe. It does give a good picture once it has warmed up and to follow my own code maybe better left well alone.
Bertha is trying to get her hands on it and promises to be very gentle with it but her actions could finish the old boy off! No guarantees. Regards, John.

23rd Nov 2020, 2:55 pm	#11
Heatercathodeshort Dekatron Join Date: Jun 2005 Location: Warnham, West Sussex. 10 miles south of DORKING. Posts: 9,147	Re: CRT Rejuvenation orientation I have never tried it on a pre war tube. The 6/6 in my 900 is very slow to start but gets very viewable after 15 mins. I have a very good spare and maybe sometime I will fit it and try Bertha on the original one. Just maybe. It does give a good picture once it has warmed up and to follow my own code maybe better left well alone. Bertha is trying to get her hands on it and promises to be very gentle with it but her actions could finish the old boy off! No guarantees. Regards, John.