Question about Cobra 148 GTL 120-Channels Base CB Radio

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Cobra 148 gtl dx manual

Has anybody got manual for cobra 148 gtl dx in pdf much appreciated

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  • gazturner Apr 29, 2009

    yeah got this but i need the gtl dx version much appreciated

  • Anonymous May 04, 2009

    i just picked up a 148 gtl dx and need a manual or copy of one also

  • Anonymous Mar 20, 2014

    How do I switch to the lower sideband on a cobra 150 gtl dx Cb

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This is the Manual for the C148GTL

Posted on Apr 23, 2009

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Cobra 148 gtlcobra 148 gtl DX


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

Nov 16, 2011 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

I need schematics for cobra 148 gtl





  • When you get to the link click on "Click here to start download from MediaFire.." and the PDF will download onto your computer.

  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


Regards, Tony

Oct 12, 2011 | Cobra 148 GTL 120-Channels Base CB Radio

2 Answers

I want to power my cobra 148 GTL in my home, want kind of inverter would I need to do this?, (watts)


you would probably want at least a 4watt continuous power supply or better. do not use as switching power supply.

Oct 23, 2010 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Have a new cobra 148 gtl took out of box no transmit or recieve


make sure that your [swr] hadn't changed or went higher than a 1.5, anything higher will interfere with your tranmitting an recieving. other than that with out being there to see an hear your radio this would be the first place to start.

Apr 25, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Output power


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.

Apr 21, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

2 Answers

Want to disconnect the bleep altogether on my cobra 148 gtldx


If this is a stock cobra 148 gtl 40 channel am plus side band, they don't to my knowledge come with a built in r beep. Some roger beeps are instaleed through the transmit circuit on the mic, so if not in the know Don't try to fix it.Some microphones have a beep built in. I used to install beeps on these radios using the pa/cb switch to turn them on. also try the nb switch or the swr/rf switch.

Feb 04, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

My cobra 148 gtl-dx has excessive levels of white noise that effect even relatively close stations incoming signal. is there any way i can vary or reduce the ferocity of this white noise


goto you tube and type in cobra 148 gtl dx and look for video by the cobraman in the uk - or type in the cobraman - u can contact him and he is a bit of a genius on this radio - he will even make a video and show u how to fix prblem

Jul 06, 2008 | Cobra 148 GTL 120-Channels Base CB Radio

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