Copper Talk » Open Forum » Archived Messages » 2003 » 04/01/2003 to 04/30/2003 » TR-296..."Flat-Topping"? « Previous Next »

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Orion
Posted on Wednesday, April 23, 2003 - 6:22 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I'm just getting back into radio and finding out Cobra doesn't make the the good old 148GTL anymore. Not the real one.. you know what I mean. Fortunatley I hear the Texas Ranger 296 (TR-296) is the exact duplicate of it so of course I have to get it. But, its advertised to have some speech circuit that prevents "Flat topping" Hmm, don't recall that when I bought a 148GTL years ago. Is this something new or are they just talking about something that the old 148GTL always had but was never mentioned. So far its a toss between a DX77 and the TR-296. Whatcha think folks?
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bruce
Posted on Thursday, April 24, 2003 - 5:02 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Flattopping is just that any radio can only put out so much lets say 5 watts .... Now if you drive your audio and bring it up when you get to the 5 watts thats it no matter how much more audio you put in the output stops at 5 watts what others hears is a disstorted mess " flat topped " since your compressing the audio and just generating trash. The idea of limiters / compression / ALC is to perset the output / audio levels to keep this from happing .... cut them out and unless you have some other way to control gain its going to happen.