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Actually what you said made complete and perfect sense to me. I think that finally painted the picture. Oh and fwiw I got the 350hd installed and running today. I was surprised at how much the swr changed from keying just radio vs. keying with boot. I basically had to tune it for the amp...

Ok, thanks! Gosh. I'm starting to wish that I'd have gone with the tnt t-400. Think a 20w uniden would have driven a 4 transistor amp? I'm stuck on the class B amp if you're wondering why I keep using the "tnt" style amp.

So let me get this right. MOST amps don't want a whole lot of drive dead key HOWEVER the tnt 350hd can take say 5-6w and probably be ok? I've also read that audio quality can be greatly affected by too much dead key. With a radio that isn't adjustable in the dead key dept do you think i'll...

Ok, I give a 1000 a go. Looks like they moved operations to China and some people are having quality issues since that change has taken place. Hopefully I get a good one :)

Thanks for all the help guys! This is really starting to click with me. We'll try both radios when the amp gets here and see how they both react with the different dead key inputs and go from there. Rob KI6USW... I didn't realize there was that much difference between the K40 and the...

See above, I think I edited the post when you were responding. Again, I appreciate you taking the time to help me out here! I think that antenna should work.

I do have a meter that has pep on it and when keying the mike with the stock uniden I see 5w with no talk into the mic. When I modulate it'll swing up to the 11-12w range. The uniden that has been "moded" is keying 7w dead on the same meter and will swing to 21-22w on that meter. Answer me...

Ok this is where I start to get lost. I'm not real sure how the place of which I bought the "moded" radio got it to where it's at. I just know what it's putting out on the meter. Is there more than one way to achieve different levels of power that a radio produces? It's possible that this...

Wow, you guys are really making me feel better about this whole situation. From everything I've read it's too much power down low that kills the amp. Like I was saying, I can't find anyone locally that knows how to turn down dead key power in this radio without knocking down pep or modulated...

Thanks for the responces guys, I appreciate it. The specs above are exactly what their site says. As you can see it's not a required 5w but a maximum of a 5w carrier. From everything i've read you don't want to over drive an amp with a dead key and I'd assume i'm going to be on the ragged...

Hey guys. I've done some searching and am not quite sure I've gotten the answer that I'm looking for. Here's a run down of what I'm running and what I'm going for. I have a couple of Uniden 510xl radios with one being completely stock (~5w dead key, swinging to ~11w pep) and the other having...

Ok newb here, not trying to hijack the thread but i'm in the same exact boat with this radio. Just got an xforce tnt 350hd box and don't want to hurt it. Just wondering if you can elaborate a bit on this diagram for me? How exactly do you tune it down? There aren't a lot of cb shops up here...