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Sinewave · 25th Aug 2019, 6:27 pm

I picked up an EL81 today at the MK rally and Sean kindly gave me a thermocouple. So before putting the new valve in I'd better do some other checks.

25th Aug 2019, 6:27 pm	#17
Sinewave Octode Join Date: May 2016 Location: Oxfordshire/Bucks borders, UK. Posts: 1,604	Re: Marconi TF144H/4S I picked up an EL81 today at the MK rally and Sean kindly gave me a thermocouple. So before putting the new valve in I'd better do some other checks. __________________ Avometer, vintage Fluke and Marconi collector. Also interested in vintage Yaesu and KW.