Question about Cobra 200 GTL DX 4-Channels Base CB Radio

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Low watts out putt

My 200 GTL is only putting 1 watt now . It was working fine . I believe it is the finales . But can not find any now one any where. I only had for 20 days when it lost wattage . I would send it to a shop but no one wonts to work on them . One shop sad this is common to this radio and the cost for the parts is moor then the radio . Is this true ! and where can I send it .

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  • vidik Jul 25, 2008

    uszkodzil sie rd16hhf1  zostal wymieniony  moc wyjsciowa teraz tylko okolo 200mw  ??????? co moze byc jeszcze uszkodzone  pozdrawiam  DIK

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I do not know if that is the case. If it is just the finals, I don't belive they would not be that expensive. I can do some research and see. Off the top of my head, I am unsure of which final they have. You can send me a reply at rollincbmods@yahoo.com. I drive truck full time and run my cb shop part time. If you are along one of my loads, I can stop off and take a look at the radio.

Dean Pitts
Rollin CBs
Mt. Vernon, TX

Posted on Jul 26, 2008

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1 Answer

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I have a cobra 200 gtl dx and some one make modification on it to get more power and more modulation but i see in my books the modification to raise up on the board in front of my cb tell me to raise up...


you do not do it by resistance. To turn up the radio it is a variable resistor. What you do is connect a watt meter that can read PEAK or PEP watts AND AVERAGE or dead key watts.

First you check it on avg watts. Hook the radio up in line with the watt meter and set it on avg watts. key the radio. Stock is 4 watts. A lot of times when you peak a radio, you lower the dead key.(thats keying with no audio.) This allows you to get more modulation wattage, or swing wattage. If that has been done it will probably do 2 or 3 watts. If it has had the AM power raised in it, it could be more, this is no good. You want your dead key a bit lower.

Now check it on peak. Flip the meter to peak and make an AHHHHHHHHHHHHHHH noise into the radio. It should swing to anywhere between 15 and 20 watts.

You adjust the AMC while giving it audio and watching the meter on peak to adjust the modulation. 4 watts is legal modulation.

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1 Answer

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Um... What?? This is hooked to a switch? CB radio by FCC regulations is only supposed to have a max of 4 watts total output. If you can flip it to 7 watts dead key, you are doing really good. It won't do much more then that. It sounds like its set up to run on a linear amplifier, which cannot have more then 3 watts dead key transmitting into it.

Dead key, and modulation are different. You may have a meter that only reads dead key, and won't see the modulation. This radio is probably swinging close to 15-20 watts. you need a meter that can read PEP, Peak envelope power. Cheap meters only read AVG, or average power, witch will only show your dead key.

7 watts dead key is really good for that radio.especially since stock only has 4 watts. you cannot get any higher then that without changing finals.

at 3 watt dead key, or 7 watt dead key, your modulation wattage is still swinging much higher.

Also, you will get more swing with a lower dead key any way, which is better if you want it to be loud.

Leave it alone. its probably set just right.

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1 Answer

Sounds like you are on a different frequncey and keys one half watt


walk it over here and I'll fix it for you. turn the watts to 1.5 watts and check the frequency .

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4 Answers

Transmit cuting out


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