Question about Cobra 29 WX NW ST 40-Channels Base CB Radio

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Cb amplifier - Cobra 29 WX NW ST 40-Channels Base CB Radio

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  • CBRWAGS May 11, 2010

    What do you want to know??

  • daniel doyle May 11, 2010

    What is the problem with your C.B. amlifier ?



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The solution for this problem is to be more specific in your question using full sentences.

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Posted on May 03, 2009


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My cb radio shuts off when i turn of the amp

Is the CB getting its power from the amp(?) By amp I will assume you are talking about a signal amplifier..

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I have a galaxy 959 Cb question is is OK to hook it to my Italy rm7305 10 meter amp?would it improve my power and range???

It will improve your range in transmit but won't do much to help in receiving distant stations. It's also ******* to use an amplifier with CB radio's, so you really might want to think before you use your amp. Make sure that you have a power supply that is large enough to handle the current for both you amplifier and radio. Use #10 or #12 wire for the amp if you are pulling power from more than a couple of feet or so.

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Not loud enough, is there anyway i can make it louder or do you guys have a website to buy parts?

We don't have any website here. CB radios typically do produce limited volume. If you have tried different external speakers already, and you are confident you have a good antenna setup, it seems you may need an amplifier. However consider all this first -

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sniff around inside ,see if there is the smell of burnt wire or other componants.If it turns on see if there is a componant that starts to smoke.If it does change it and see what happens.this is called trouble shooting.

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How do I increase power output for a cobra 148 gtl the latest Chinese version

best way is to leave the radio in piece and obtain a linear amplifier to do the job a 10 meter ham radio amplifier will do nicely but you must re-tune it for the 27 mhz band 10 meter band is 28 mhz.
RF amps work best using side-band mode.

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1 Answer

Ant light turn on whith lineal amplifier

Your antenna light alerts you of high S.W.R.

Say your S.W.R. is fine, maybe 1.5:1, and so the antenna light is not on when the amplifier is off.

1.5:1 means 4% reflected power. With just the radio this is less than 1/4 watt. However, turn on the amplifier and 4% is much more and the radio may think the S.W.R. is higher.

That's one option, which may not be a problem. Another possibility is the S.W.R. actually increases which could be from a amplifier which is not true 50 ohms and/or lack of grounding for the increased power level. Communications Solutions

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1 Answer

Radio loses signal strength when truck battery on or mike keyed.

Wire your radio directly to battery!
Run about 12 guage stranded wire to your battery with a Blade fuse standard size with a 25 amp fuse sice your using a CB Amplifier inbetween put a 30 amp auto relay.going through the switching contacts.
Now wire a grond to 1 side of relay coil the other use a12v source from fuse box so when key is turned on the radio will come on! If you want cb to come on anytime then I suggest skip relay and rub wires to
the floor with insulated banna connectors but put that fuse in line also the fuses on your cb and amplifier to.

Your problem is your trying to gather DC for your radio off a vecical power source them wires are to thin and you may be getting a Bad ground saight t the battery only best way! If your radio gets weak check your battery if you hve a cb amplifier on turn off durring transmissions without car running! goood luck

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Uniden Pro 510xl can send but not receive

If you look on the solder side of board you shoud see a straight line of 5-7 solder joints, look on the other side the audio vhjp is a bmack thin retangular ic chip. Not to worry you wont hurt anything by doing this. Its an old cb tech trick to test audio chips.GOOD LUCK.

Oh one other thing does the radio have same same problem in either vehicle? A insulating washer on the antenna bracket can cause this also,
Happy New Year , Tom

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1 Answer

Instead of an amplified mike

Hello...i,m in contact with a group of cb-ers outside u.s. and waiting for response...just hold on ..have a good day...Ron

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1 Answer

Rockford Fosgate 800.2 no power

This one is a real twister. Some questions of you might help to correct this problem.
1) Did you in some way hook the CB Radio up to the amplifier?
2) Did you use the same power lead from the amp to install the CB Radio?
3) In some way, did you unhook the ground from the amp?

These questions will help in solving your problem
I'll be waiting to hear from you
NC Electronic
Mills, Wyoming

Jan 29, 2008 | Rockford Fosgate 800.2 Car Audio Amplifier

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