A7 amplifier id

[Arthur Fowler]

Here is the tube line-up for the A-7 that I have information on.

A-7B 5Y3,12J5,12SL7,2ea 12A6 output trans. #51-18 power #54-3

A-7C 5Y3,12J5,12SL7,12SH7 or 12SJ7, 2ea 12A6 output & power as in 7B

A-7E 5Y3,12SQ7,12SL7,12SN7, 2ea 12A6 output trans. #51-21 power #54-25

I have manuals on the above and can make them available at copying
cost and postage.
Art

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