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I'm glad you figured this out. I was going to say it sounded like a problem with the RX/TX switching but since I don't know enough about the Cobra design to offer any useful hints beyond that obvious point, I decided to just save my breath until somebody smarter spoke up. Looks like someone did. :)


One thing though: the original Cobra 148, Cobra 142 and Cobra 2000 all had the same 5-pin mic connector. It's the newer (Chinese made) Cobra 148s that have  4 pin connector, and it's on the front panel instead of on the left side. I used to own an older 148 in the mid/late 80s and currently have one of the Chinese ones. There's no comparison in terms of quality.


-Bill