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my 4 tube battery set 39-70 has 5 tubes and an AC cord??
#17

I would keep the radio in its present shape, get the correct tubes for the AC mod, check the wiring for bad things and try to power (obviously after proper recap and such).

This is in fact much simpler than a transformer radio: you have a string of filaments, no ballast, so the cord needs not be the curtain burner etc.
The rectifier is also straightforward.

I restored one like this for Kirk - I mean, not modded, but similar lineup for an AA5 with no schematic - just check for common sense things.


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RE: my 4 tube battery set 39-70 has 5 tubes and an AC cord?? - by morzh - 10-29-2014, 02:58 PM



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