Question about Cobra 150 GTL DX Base CB Radio

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Hello i have a cobra 148 gtl dx export model and have accidently overheated it by having a amp on top of it. It apparalently has a blown transistor and the shop in nz here is having problems in locating one.If i was to find out wht the transistor is would it be possible for you to locat one for me. Appreciate anything you can do for me. thanks .Regards Michael

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Those transistors are very hard to find. You have to be careful of you will get ripped off. You need a 2SC1969 final transistor. I only get mine from one place. Eleflow. The guy is real nice and havs a few YouTube videos on his transistors. I have installed many and never had a customer come back. Here is a link to his YouTube video. You can order from him there by just contacting him on YouTube or through e-bay. You tell him Ironfist said to talk to him. He will know. I will never purchase anywhere else. Anymore questions feel free to ask. Most people don't know this guy exists and choose to do Mosfets because of the rip off status of 2SC1969.

Posted on Mar 17, 2011

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http://www.cbtricks.com/radios/cobra/148gtl_dx/index.htm

Nice choice of radio i have the Grant LX Uniden which is roughly the older version.
This site may be of interest also if you choose the channel mod make sure you have the right PLL. http://www.radioaficion.com/HamNews/mods/mods-cb/2428-uniden-grant-xl-mods-pll-agc-power-clarifier.html

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Hi
try replacing the transistor just before the last on the rf pa output.

Hope this helps

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There are 3 versions of this model. Here is how to turn up the power on all 3.

Early production model: Turn VR5 all the way to the left and turn VR11 all the way to the left.

Late production model: Remove VR14, turn VR13 all the way to the left.

if its brand new, its the easiest. Just turn VR6 all the way to the left.

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