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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  • 126 Answers

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

Cobra 200 gtl dx only does 12 watts on high


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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 .

Feb 21, 2009 | Cobra 200 GTL DX 4-Channels Base CB Radio

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148gtl, Taiwan when you modulate the meter swings backwards


In the back is where power mods have been added...It sounds like a swing kit 1/2 watt deadkey to 25 watts which is a powerful modulation exceeding 100%. Its a 220uf capacitor in place of a jumper J1 or J(x) J something in some radios. if you replace the jumper and remove the capacitor 220uf or 470uf one.(near finals it will return to around 4 watt dead key) The result of 4 watts is modulation is flat;where if you adjust it to 2 1/4 watt to say 20 watts it will be very loud and modulation is at 100%.

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Question about my cobra 200


no need to increase power output. you can take a radio with 100 watts and a radio with 10 watts that had had a modulation kit installed and the 10 watt radio will out talk the 100 watt radio ALL day long. the best thing to do would to put a mod kit in it and have the dead key cut back to 1/2 watt then put as little amp behind it. with those mods it will be loud and clear. hope that helps

Dec 30, 2007 | Cobra 200 GTL DX 4-Channels Base CB Radio

1 Answer

No output


If you antenna SWR are way out ( too high ) you may have burrned the final or driver up when you hooked it up to do the antenna adjustment. Also be sure to turn the high power switch on to adjust the antenna SWR or the SWR meter won't read correctly, if the RF power is too low. Good Luck
Ed
NC Electronic
Mills, Wyoming

Dec 13, 2007 | Radio Communications

4 Answers

Transmit cuting out


sounds like the finals are tore up, maybe 1 of the dual finals is working and the high power side is out. You said it puts out just 2 watts and that is what it would put out on low side. Do you especially break-up after it warms up a little. If it works better cold and when it warms up then your finals might be shot.

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