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Peter Heembrock
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Anyone know about C38 which is a gimmick capacitor of 2pf in value in the Hallicrafters S-85? I have seen twisted wires in the past which have about 5 to 8pf in value…this one seems to just be the end of one wire closely coupled along side another wire which may give it a value of about 2pf? This is coupling the BFO oscillator output back to one of the I.F. stages.

No one has worked on this radio in the past to my knowledge and this is how the wire was located when I opened it up.