Question about CB Radios

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Will 25 amp power supply pull 250-linear?

Wandering if a 25 amp power supply pull a galaxy 250 watt-cb linear?

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  • axl4life528 Oct 15, 2008

    IM RUNNING A ANTRON 99 BASE..

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Yes it could, but... but it also depends on your antenna, what antenna are you using. Do not upgrade the power of your radio unless you know your antenna can handle the output power.

Posted on Oct 13, 2008

  • EDACS
    EDACS Oct 15, 2008

    Then yes you can. The Antron 99 is an excellent antenna, with over 1000 Watts of power support and a power coil that helps extend the range of transmissions. I don't have an Antron, but one of my friends has one. I have a Moonraker IUI-8861 50ft base antenna. Mine is an antenna that sacrifices space saving to extend range :-( But yes the Antron 99 is compatible, give it a try!

    Good Luck!
    Gavin93


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2 Answers

Can i use a 10 amp power supply run my cobra 29 and 100 watt linear


I will answer the question. Figuring that 10 amps is continuous not peak. 10 amp multiplied by 12.5 it should be good for 125 watts. But you are on the ragged edge. I do agree you should lower dreaded key but you did not ask that question. But a swing kit will solve that. That is amusing SSB and the 80 watt cobra 29 comments.

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How to Hook up My galaxy 250 watt Linear Amplifier to My galaxy dx959


you will need a jumper cable to go from the box to the radio then the antenna plugs into the box at the antenna connection point.Now for DC power you will need at least some 12 gauge wire with a fuse connected to the pos and the neg. Then you connect it to the fuse box and a ground . I personally would not use one ,if my radio cannot out do yours then so what.If you can't hear my radio within 12 miles of me then I will talk to you when you get closer.You want to hook one up thats your option but I don't even want one.

May 27, 2012 | Galaxy Radios 959 40 Channel Am/ssb Radio

1 Answer

Trying to find the right size linear amp to hook up to my Galaxy dx 949. I want max in/outputs. tired of being talked over. I have a Golden Eagle 150w amp, but have not connected it


That linear will be good for 100 watts of clean power. It has two MRF455 transistor which are 60 watts a piece. The cb will drive it with the carrier or dead key reduced to about 1.5 to 2 watts but i suggest that you read the linear's power while adjusting dead key not exceeding the 100 watts pep with voice. An NPC mod would be a good addition to get the modulation up with a low dead key.

Before you start the projection make sure you antenna system is in good condition high SWR will smake you linear in a hurry.

In factory condition 949 galaxy with a 3.8 carrier it will drive a 667v TexasStar. It is a low drive linear that will end all disputes as to who has more power. 8 out of 10 birds that escape will die of cancer withiin 72 hrs. Ok could not help myself. I would not suggest that unless you just want to damage other peoples receive. The v is for variable power. Hope this was of help.

Sep 14, 2011 | CB Radios

2 Answers

Just got a Galaxy DX 2547. Barefoot works GREAT. Problem: When connecting to my linear (Texas Star 667V) rig fires up AOK on AM but on SSB it has issues driving the amp. SWR is OK Radio SSB output ~...


Have you tried turning the mic gain up,and not knowing Texas star model numbers,is it a mobile linear,if so,do you have a sufficient power supply?Just some thoughts off top of my head.

Aug 22, 2011 | Galaxy Radios DX-2547 40-Channels Base CB...

2 Answers

I bought a used connex 4300hp. i had it "so


IT could??? peak power, 14-15volts yeah.. the 4300 should put out 80w by itself.. as long as you have a low deadkey ie 1-5watts it should be fine. just don't put high wattage into an amp like that.. it will get hot QUICKLY.!!.. make sure your swr's are low low low.. 1.7:1 or lower... so your not getting reflected power... i would put a wattmeter with swrmeter like a mfj. or vectronic cross needle meter inline just to monitor it.... they go for $75 @ most places. Good investment... call email if need more help

Feb 06, 2011 | Connex CX-4300HP CB Radio

2 Answers

Cobra 2000 with a d 104 mic and a palomor tx100 bi linear amp...how can if possible make the amp key up with less than one watt on the ssb side..Radio has a 4 watt dead key on am and i have ajusted the...


Hi, my name is John. Adjust the radio to key 1 watt, then switch to SSB on radio,then switch to SSB on amp, key down and adjust to 1 watt on amp. enjoy !!!!!! ...hope this was very helpful....

Aug 31, 2010 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

Need more talkpower without a linear amp


Send it to a CB shop and ask em to peak it and tune it,shouldnt cost more than 75.00

Apr 01, 2010 | Galaxy Radios DX- 88HL Base CB Radio

2 Answers

When ikey the mike on sideband lights go on off like your turning it on and off like it sucks all the power runnig it inside house with three amp converter brand new got it today


3 Amps is probably not enough for this radio. To test this diagnosis, conenct a car battery inline with your charger or just the battery to the radio. BE SURE TO HAVE A FUSE ON THE POSITIVE power wire and observe polarity ( + and - ) . If the radio works like it should, you now know the power supply is not big enough. Try a 10-15 amp supply. The manual shows the radio to have a 4 watt ouput on Am and 12 watts on SSB. My experience with Galaxy radios says go with at least 10 amp supply. Here is your manual and a service info page.
http://www.cbtricks.com/radios/galaxy/dx959/graphics/om_dx959.pdf

http://www.cbtricks.com/radios/galaxy/dx959/index.htm

Nov 25, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

2 Answers

Just want to know if i should use my ll203 amp in am or ssb mode when running with a cobra CB radio?


What radio?? Does it have single side band(SSB)? If not, then don't use SSB.

AM - amplitude modulation
SSB - single side band.

If you have SSB, there would be a switch on it to transmit in SSB. If not, it is AM only.

Second, Has this radio been worked on to be able to run on an amp? If not, you will blow the amp.

A CB radio transmits dead keys with 4 watts of power, and transmits with 4 watts of audio.

a 4 watt dead key is too much for a linear amp. You will smoke the transistors. Also, 4 watts of audio is not enough to drive it properly. You won't get full power.

The dead key needs to be around 2 to 2 -1/2 watts,or what ever makes the linear dead key half its peak wattage., and the modulation (audio) turned up all the way.

It doesn't sound like you know too much about CB radio's. Not a big deal, you can learn. For right now you may want to take it to a cb shop and tell them you want a peak and tune, and set up to run a linear.

You can find CB shops usually at truck stops. Some area's they are other places. Check the internet for local shops.

Oct 31, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

4 Answers

Kl 203 rm italy linear amp transmitt


You just have to lower your RF power so that the radio is putting out about a 2 watt dead key. Any higher and you will over drive the finals and burn out the final

Apr 24, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

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