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The innards of that AK 20 Big Box set
#17

Correction: moving my strongest tubes to the RF spots and the detector has yielded a faint signal with the antenna on the antenna post. I have not looked into the antenna assembly as of yet except to measure continuity across the three points on the coil, but think it might be a good idea.

By the way, voltages are as follows:
F+=5v on all tubes.
Plate:
Audio 2=75
Audio 1=87
Detector=22.5
RF2=87
RF1=87

Charlie in San Antonio


Messages In This Thread
RE: The innards of that AK 20 Big Box set - by ccomer1955 - 06-29-2015, 05:39 PM



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