[DCboatanchors] APR-4 related needs

Tom Dawson wb3akd at earthlink.net
Sun Sep 13 10:32:03 EDT 2015


Resurrecting an R-54/APR-4 in moderate condition but missing some parts:

1)  Audio output transformer: there's a commercial replacement installed 
but the combination of the replacement transformer and a replaced AF 
grid coupling tells a story... I would like to find an original transformer.
2)  Somehow I think the Octal Socket for AC input on the front panel is 
not original, I would like to put an original male-pinned connector in 
its place  so I'm looking for one of those as well.

3) I'd like to find a pdf or dejavu version of the complete manual, if 
one is available.  I've already snagged the schematic from Mike Hanz's 
site, and that is quite helpful, but I'd like to verify performance 
according to the manual.
4) I have an incomplete APR-1 manual from "armyradiosales" but I'm 
interested in a complete manual at some point, as well.
5)  Junker/Parts only receivers and plug-in's parts and/or experimentation

warily checking my stock of bypass caps,

Tom




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