It also works quite nicely on 5V as long as you do not exceed the P-P limit of the Opamp at that voltage. I use it with 5V on a system that needs a little more output punch and it works and sounds fine. Wire the opamp power source pin over to the 5V pin on the DMK. Give it a try. If it works it avoids anything external.

73 Doug
WA3DSP
http://www.crompton.com/hamradio

> From: kk6ecm@gmail.com
> Date: Thu, 23 Jul 2015 10:01:18 -0700
> To: app_rpt-users@ohnosec.org
> Subject: [App_rpt-users] DMK URI/URIx 6dB 12 VDC range?
>
> I'm wondering if the URI/URIx 6dB 12 VDC (pin 25) range will handle 13.8 (14?) VDC that powers my radio. What is the margin? Looks like the op amp will handle 15.5 VDC. Am I missing something?
>
> Thanks,
> Bob
> kk6ecm
>
> Sent from iPad
>
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