Re: Pilot PT650 "Spacemaker" Television
It probably won't help you, but my father ran the 17" 'portable' version of this set (Ultra VP17-72) for many years with a PL36 line output valve and a KY80 EHT rectifier. Not exact equivalents if you look at the data, but it's what the chap in the local shop sold him as replacements for the 30P4 and U26, and it worked, as I said, for years.
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