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APX 4500 Handmic Noises

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jaruiz02

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May 7, 2014
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6
Does anybody have issues while using the APX 4500 standard hand mic. It seems that while pressing the mic button it causes noises to come across the air. It sounds almost like the button is rubbing weird in the mic itself so that while keying up it makes clicking/scratching sounds. This appears to be an issue through out our fleet of radios. Not sure if anybody has the same problem or quick fix.

Thanks
 

WB9YBM

Active Member
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May 6, 2019
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Location
Niles, IL
Maybe a noisy switch? Many years ago (and I don't know if this stuff is still being made) an easy fix was to spritz in some tuner cleaner...
 

K2NEC

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Oct 23, 2017
Messages
1,488
Not sure what you mean by "standard mic" but if you are talking about the HMN1090 then yes, I have heard that they can be a little noisy. When the mic unkeys, you can hear the switch sort of 'creak' or if the person is talking and they shift their hand, the button makes a noise that can be overheard on the air. Maybe try the suggestion above and see if it works.
 

N4KVE

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Mar 1, 2003
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3,436
Location
PALM BEACH, FLORIDA
I don’t like the 1090 mikes that came with my radios. I use the mikes that came with the XPR series of radios. People say the TX audio is better with the XPR mikes.
 

K2NEC

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Oct 23, 2017
Messages
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I don’t like the 1090 mikes that came with my radios. I use the mikes that came with the XPR series of radios. People say the TX audio is better with the XPR mikes.
That's surprising. I'll have to try that out one day.
 
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