[Arran]

I hate to be a stickler from detail but these sets don't fit the definition of an AA5, though they are the immediate ancestors of the AA5. The All American Five connotation came about with the advent of the 150 milliamp series string tubes in the early 40s which allowed manufacturers to produce inexpensive transformerless radios using five tubes and no ballast. RCA developed the 12Sk7, 12SQ7, 12SA7, 35L6 (later 50L6) and the 35Z5, Sylvania came out with their own loctal versions, which Philco used profusely, then in the late 40s came the 7 pin miniature versions. It was so successful a design, so ubiquitous, and produced in such prolific numbers, that it became the default tube radio circuit design used all over North America.
The Europeans even came up with their own versions of an AA5, in spite of the power line voltages ranging between 220 and 240 volts they used five tubes in a series string adding up to 117-120 volts as well, with a large dropping resistor to drop the rest. One difference being that the European and British made sets typically did not use pentagrid convertor tubes.
Regards
Arran