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Cobra 29ltd classic squelch rumble

groundwire

Sr. Member
Jul 19, 2014
1,370
1,827
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Got a new cobra 29ltd classic and when i turn the squelch up just to the point where it cuts the noise (the threshold), it makes a loud rumbling noise. If i turn it up even more the noise will stop but now weak stations cant break the squelch. From what i have found out it is a design issue and they all do it. I have found only one mod to cure it (a cap across TR12) but i wanna see if anyone has knows a better way to fix the problem, or if the cap on TR12 is the way to go?
 

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