AA9TT
 
The Collins 75S-3B and 75S-3C Filter Cover

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This is the result of my need for a filter cover for several radios. Collins did not standardize on filter covers for these radios until later in production so many were manufactured with out covers. I made about 100 of these and have a few left. They are made from special hi-mu metal known for superior EMI characteristics. Unit includes the stand off.

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