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Cobra 29 Chrome - Talkback issue

Discussion in 'CB Radio Forum' started by Tlauden, Oct 15, 2018.

  1. Oct 15, 2018 #1
    Tlauden

    Tlauden Bobtail Member

    35
    27
    Jul 2, 2018
    0
    Good Afternoon Drivers!

    I recently got a new Cobra 29 Chrome and am having mixed feeling on it.... One of the deciding factors on this was the built in talkback function. Im not sure if its just my radio, or do they all suck when it comes to this? With the talkback on full, its barely there. To say its disappointing is an understatement.

    Also, that darn blue light is BRIGHT. I may get this radio tuned and I want to see if they can put in a true dimmer knob somehow to dim that light to a reasonable level... I know this isn't a "top line" radio compared to the 10 meters but I thought for the price I wouldn't have mixed feeling on it...
     
    Tlauden, Oct 15, 2018
    Tlauden, Oct 15, 2018
    #1
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  3. Oct 15, 2018 #3
    jessejamesdallas

    jessejamesdallas Road Train Member

    1,415
    854
    Oct 3, 2008
    Republic of Texas
    0
    I've done this to several Cobra 29's to make the TB louder...."easiest-way" is just take a twist-tie off a bread wrapper, remove the insulation to just bare wire, then wrap it around the tops of the two resistors as tight as you can get it...Below is a link to CB Tricks where they have a picture of the two resistors your going to be looking for.

    Install a jumper from the top of R21 to the top of R77. This will effectively reduce the resistance of R21 to zero ohms, increasing the maximum volume of the talk-back function.

    http://www.cbtricks.com/radios/cobra/service_bulletins/graphics/tsb_10058.pdf
     
    jessejamesdallas, Oct 15, 2018
    jessejamesdallas, Oct 15, 2018
    #3
    Slowmover1 Thanks this.
  4. Oct 15, 2018 #4
    Timin770

    Timin770 Road Train Member

    1,613
    1,700
    May 27, 2011
    Canton, GA
    0
    are you using the factory microphone? If not, try the original mic

    If you are using the factory mic, I got nothin'
     
    Timin770, Oct 15, 2018
    Timin770, Oct 15, 2018
    #4
  5. Oct 15, 2018 #4
    Slowmover1

    Slowmover1 Road Train Member

    1,491
    1,208
    Oct 25, 2015
    Fort Worth
    0
    Be a good idea to experiment with some different mikes.

    And an external speaker far enough away to avoid feedback.

    I set the Mike Gain first. Lowest setting.

    Then Talkback volume.

    Ears turned for audio quality. Best sounding mike, then best settings on best mike.

    Good luck
     
    Last edited: Oct 15, 2018
    Slowmover1, Oct 15, 2018
    Slowmover1, Oct 15, 2018
    #4
  7. Oct 24, 2018 #5
    craig_sez

    craig_sez Road Train Member

    5,457
    2,649
    Sep 5, 2013
    novascotia,Canada
    0
    Dont need talk back......An astaic 636 mic seems to work well with a 29..
     
    craig_sez, Oct 24, 2018
    craig_sez, Oct 24, 2018
    #5
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