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Philco 41-250 rewire, mystery connector, external speaker
#7

The #1 terminal on the antenna strip is intended as a convenient place to attach a positive meter lead to use as an audio output indicator during alignment. Several '41 and '42 radios have this feature in one form or another. I don't see it on the 40-150 schematic, so maybe they only used this feature for a little while.

John Honeycutt





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