3 KHz deviation in and out is the standard for FM wide band. Dont know why anyone would want to use 4 K as it would be getting close to the transmitters' limiter if it set up correctly should start to limit at 4.2 K. I guess some people like to have their repeaters to be a little louder on the O/P. If that's the case, you could do the Rx audio at 3K and set your TX to 4K, that way audio from your nod(s) will be at the proper level to others when linked. Jon VA3RQ On 8/29/2014 1:10 PM, Michael Lussier wrote:

I read that too. I have always setup 4 kHz voice and 750 on PL tones.

...

When I set my repeater up I used the automated method with a calibrated service monitor. I noticed it called for 3 kHz of audio. Finally got the repeater on the air and the audio is a little soft compared what I'm used to. I know I can adjust it but I assume this is done for a reason to keep all of the repeaters sounding close to each other.

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