cobra 138 xlr has a 858 chip in it i get a hum like high pitch squel out of it it dont happen all the time but it does off & on can anyone give me some info as to what the trouble is oh it happens mostly on am but ssb once & in awhile it does it there thanks for any help oh stock mic & power mic does the same
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cobra 138 xlr
- Thread starter johne2hotty
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