Quote:
Originally Posted by TUD1
This is the only non original tube.
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Philco used tubes made by Sylvania and RCA. All the loctals were Sylvania and many of the octals were either Sylvania or RCA. The original 50L6, could be easily RCA sourced.
For some reason, Philco used a lot of variations in their tube line-ups. The schematic, from the radio in question, shows either a 35Z5 or a 35Z3 and the difference in the pilot light wiring.
BTW, the coupling capacitor, #40, still should be replaced, otherwise the new 50L6, can be damaged.
