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The innards of that AK 20 Big Box set
Radioroslyn
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#4

06-17-2015, 07:07 PM
Yup you are correct. Red B+ to the det, Blue plate of the det. Green to grid of 1st audio other green to C-. There is no polarity for the green wires. Black is unused. I use a couple of those winding on a Crosley Trirdyne worked well.
http://philcoradio.com/phorum/showthread...ht=Crosley

Terry N3GTE
(This post was last modified: 06-17-2015, 09:47 PM by Radioroslyn.)
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RE: The innards of that AK 20 Big Box set - by Radioroslyn - 06-17-2015, 07:07 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)