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    Cobra 139xlr, I need help

    Hello everybody, I got this off flea bay as parts only- non working and they were right. I recapped all electrolytics, sprayed all the switches with Deoxit and she roared to life in SSB mode receive, no transmit at all. Still had the stock driver and final, so I pulled them and checked...
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    Cobra 142 GTL swr/mod meter

    Hello everyone, I have a 142gtl that is almost pristine. I just changed all the electrolytic caps and she talks and sounds great. The only problem I have not been able to track down is the swr/mod meter not working as it should. It will not go all the way over to the cal position when turning...
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    I Want to Keep This One

    Hi everybody, I just got hold of an early model Cobra 139xlr. Serial number 7001xxxx. It has its share of problems and I am trying to work them out. When I first got it, it had very little receive on ssb and am, mostly just some white noise. It shows modulation on the meter but not on the RF...
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    10 turn Clarifier Pot

    Hey all, Does anyone know where I can purchase a 10 turn pot for the clarifier in my cobra 148gtl, side mount mic? I have found all kinds of them, but would like a splined shaft so I can keep the original knob. I know it is 20k pot, but everything I find is either smooth shaft or flat on...
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    Almost Afraid to undue the screws

    Hello all, I know you probably can't help without more info. But I haven't been home long enough to have a chance to look at this. It is my Northstar NS-4000, and the other day I started the truck and the channel lights started flickering and then all the lights on the radio started...
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    Texas Star DX350

    This amp does not work, and I need some suggestions. Both transistors Q1 and Q2, 2n4125 and 2n4126 have been changed out with generic pnp switching transistors. Question 1, do they need to be original numbered transistors? Question 2, where would the best place to buy them, Jameco carries one...
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    Need a cure for NS-9000

    Hello everybody I have a Northstar ns-9000, and the coarse clarifier has a detent in the middle of its range of movement. I am fighting trying to get someone on frequency, it seems it needs to be right on the edge of the detent and does not want to stay there. Is there a way to cure this? The...
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