Been a while  but had Omni vi that had a  mod for low mic input. Back left 
corner of radio  is where audio amps are . It was easy to see on mine they just 
added  resistors to top of resistors on board .  I used a Pr 40 mic and had way 
to much gain ! I cut one end of the resistors  so it was back to stock. 
73s Byron AC9PA 
Sent from my iPad
> On Aug 15, 2019, at 9:44 AM, Bill Snyder <mgbv8@cox.net> wrote:
> 
> I recently purchased a Omni Vi v3. Can anyone tell me where to check to see 
> if it has had to audio mod done. Can’t find anything on the internet.   
> Thanks Bill WR4G
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