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I have a a-static mobilemax, it's v3.2 with the 28 seconds of audio recording and 1 roger beep. When i key up with it powered up, the metere doesn't move, and there's no audio coming from the unit. if the power to the unit is off, the radio works fine. I tested it on a cobra 29 NW LTD & my galaxy 949, and it fails to work on either unit. The unit it setup to work with a 4pin cobra mic.


Has anyone ever encountered this before?

Maybe a broken wire inside the mic plug?
I've never had one of those mics...

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What gear do I use?
BASE: Icom IC-718 & GAP Titan DX, Yaesu FT-8800R & Diamond X50A, Magnum OmegaForce S45 & IMAX 2000 w/Astatic D104/TUP9.
MOBILE: Galaxy DX99V & Wilson 1000 w/Astatic D104-M2, Yaesu FT-8800R & Diamond NR-770.
"...The 444 in San Jose CA; the Central Gold Coast..."

yeah, i've started going into it some. it's not a mic though, it's one of those a-static amp boxes that do echo/talkback/delay/powermic, adds a roger beep, & allows you to record 28 seconds of audio to replay. also audio passes through fine when the box isn't powered.

Astatic MobileMax
That's the manual for it.
I hope that helps some.

__________________
What gear do I use?
BASE: Icom IC-718 & GAP Titan DX, Yaesu FT-8800R & Diamond X50A, Magnum OmegaForce S45 & IMAX 2000 w/Astatic D104/TUP9.
MOBILE: Galaxy DX99V & Wilson 1000 w/Astatic D104-M2, Yaesu FT-8800R & Diamond NR-770.
"...The 444 in San Jose CA; the Central Gold Coast..."

I have a Mobile Max and have never heard of that problem before with them. But if it was me I would call Bob's CB Shop out in Strattanville, PA at 814-379-3003 and see if you can reach Bob himself and it seems like he is harder to get on the phone anymore as he has some dam good guy's in his shop now and that relieves him to do other things now but try to reach him and if no luck ask when the best time to reach him is and tell them you are having issues with the Mobile Max and need to talk to him or anyone else there that could help you like Bob and if they sorta beat around the bush and don't know for sure who you would need to talk to than tell them you will call back or leave a message and he will call you back. But he will be able to help you ut and also let you know who can still repair them if needed too.

Cotton Mouth.