Question about Cobra 19 DX IV CB Radio

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How to peak and tune Cobra 19 DX IV - Cobra 19 DX IV CB Radio

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Mike Charette

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  • Cobra Master
  • 1,847 Answers

L 5 , L 6 , L 801 for power and RV2 for modulation.

Posted on Sep 13, 2015

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Anonymous

  • 126 Answers

SOURCE: cobra 19 DX IV

No, those radios are good radios. I have one just for setting swrs on antennas.

First, I went back and read your last question. You said you have a nylon washer on top AND bottom? Did you mean one under on the top and bottom side of the antenna mount? You only need theone on the top of the antenna mount, which stops the antenna itself from being grounded out. Having one on the underside stops the outter part of the stud, the one that touches the outer screw on part of the coax from being grounded. Without that getting a good ground, you have no groundplane, which will cut your tx/rx to a max of 2 miles. Also, how close is the two setups. Many times, if two vehicles are setting next to each other, you will not receive or transmit properly, just get a nasty garbled with a hint of a squeal.

If this doesn't help, please reply here or shoot me an email at:

[email protected]

Dean Pitts
Rollin CBs
Mt. Vernon, TX

Posted on May 22, 2008

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Anonymous

  • 6 Answers

SOURCE: how do you tune and peak a cobra 29 ltd classic

i would highly suggest you take it to a cb shop to get a cb tuned and peaked. before you do that though, make sure you have a good antenna system. a good antenna will have a much greater effect on your cb than tuning and peaking. as far as output, who knows? it all depends on the skill of the person doing the tuning. be warned that any output over 4 watts is illegal and you could recieve hefty fines if caught with an illegal radio.

Posted on Sep 24, 2009

Don Reiman

  • 773 Answers

SOURCE: how do i turn peak and tune my cobra 19 ultra 3

un-solder 1 leg of D11 diode, pull it out of the board, and make sure it does not short against anything.

That will bring your modulation up all the way. there are other adjustments that can be done, but without proper meters, you will most likely mess up the radio.

D11 will be a big step up any way.

Posted on Oct 03, 2009

Anonymous

  • 11 Answers

SOURCE: my cobra 29 has a 75watt amp on the back how can i get more

If you're using the RFX-75 amp section. Then you'll need to make sure your transmiter section is tuned for full output. The last last unit I installed in a Cobra 29 LTD, the radio modulated right at 100 watts output.
Hope this helps,
J.R.

Posted on Jan 23, 2010

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not a good idea to do it yourself you need the proper equipment to do the alignment you must know what part is the transmit and what is the recieve.
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Need more power

not impossable but if you have to ask then you are not qualified to do it.
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