Question about Radio Communications
LA 900? I am guess that is a linear amplifier. If so are you running a power mic? You are probably getting RF feedback. You need to turn the gains on the radio and mic down.
Some things you can try. Hold the mic cord in your other hand in the center of the cord while you key it. some times this will shield it form stray RF.
You can also get a bunch of RF chokes from radio shack. They are little black things you snap onto wires that shield form RF. Put 2 near the plug, and 2 near the mic. That will help shield it from RF.
you will most likely still have to play with the gains on the radio and mic to find a sweet spot where it doesn't squeel.
Posted on Oct 10, 2009
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Posted on Jan 02, 2017
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