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1100 man · 26th Aug 2017, 10:53 pm

Hi Matt,
I've just measured the HT current in the Pilot which was 440ma with the set displaying a normal picture.
This makes the dissipation in the 25ohm resistor 4.84W.
You will probably have to tweak the value of the series resistor to get the correct HT for your set.
Cheers
Nick

26th Aug 2017, 10:53 pm	#40
1100 man Octode Join Date: Apr 2016 Location: Ventnor, Isle of Wight, & Great Dunmow, Essex, UK. Posts: 1,377	Re: And the next one! a GEC BT2147 Hi Matt, I've just measured the HT current in the Pilot which was 440ma with the set displaying a normal picture. This makes the dissipation in the 25ohm resistor 4.84W. You will probably have to tweak the value of the series resistor to get the correct HT for your set. Cheers Nick