04-01-2023, 07:09 PM
RCA was a strange company, they went through periods where they were trying to mid range radios with a single ended output, first with type #50s in the late 1920s, then then a singled ended 6L6 in the mid 1930s, whereas other makes went for push pull audio outputs in all but their low end models.
Regards
Arran
Regards
Arran