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  1. P

    Cobra 148 GTL Clarifier Unlock Question

    Hi All, I know i posted this question before but I really haven't seen a response to what I was looking for. Years ago I had a great tech unlock my clarifier with just a minimal amount of slide each way (less than a half channel). I prefer this because I talk on SSB all the time and easier to...
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    Cobra 148 GTL

    Great advice, that cleared it up! On another note, what is the best Unlocking Clarifier Mod out there with the least amount of slide, Im not crazy about trying to tune in on sideband with a clarifier that go a channel plus. I remember reading out here somewhere of a mod that gives you 5-6 each...
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    Cobra 148 GTL

    Thanks I will try that
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    Cobra 148 GTL

    Thanks you
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    Cobra 148 GTL

    thank you, i will let you know, much appreciated.
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    Cobra 148 GTL

    Thank you for your detailed response, I also have a question on my 148f that it squeals on am after 11 o'clock position only on am with multiple amplified microphones. Just happened out of the blue and can't figured out what happened. If you have any advise please advise Regards
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    Cobra 148 GTL

    Correct both are missing didn't have any info on diodes, want to place radio back to stock. Is there a single diode replacement out there?
  8. P

    Cobra 148 GTL

    Hello, Looking to restore a 148 clarifier back to stock, need info on d75 (diode) part number or new replacement diode that would work. Thanks
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    Cobra 148f GTL Clarifier Modification

    thanks for the reply
  10. P

    Cobra 148f GTL Clarifier Modification

    Hi, Im looking for a mod to unlock clarifier that uses the stock 20k pot and has a minimal slide less than half channel each way, is there one out there? I know the Lesscom board only slides a couple each way. I appreciate any tips if there out there. Thanks
  11. P

    Cobra 2000 GTL Help Needed

    I can buy new from a local guy here that is a friend, he asking 14 each. He is a retired tech and these are NOS. I was looking for more of a recommendation going forward on where to buy replacements without getting ripped off. He has only 3 left and I wanted to find a source for a better price...
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    Cobra 2000 GTL Help Needed

    Hello, Just got back to working on the radio, I found that the clarifier circuit was modified to a fault. I do need a 2sc1969, however I'm out. What do you recommend for a drop in replacement or something else with a slight mod with a soldering gun. I know that the 2166,2312,1969 are obsolete...
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    Cobra 2000 GTL Help Needed

    Hello Sir, I traced the problem to the VCO IC, I replaced the VCO and most operations are back to normal. The receive and transmit are slightly off not tracking together. I will continue this journey tomorrow, I greatly appreciate your help. Regards
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    Cobra 2000 GTL Help Needed

    Im getting nothing when i tried that, my voltages are ok at there mixer. I should also mention that the receive is weak too. I will look into this further tomorrow. I appreciate the response. Regards
  15. P

    Cobra 2000 GTL Help Needed

    Hi All, I have here is a eBay special that came with no transmit, wires missing on voice lock, and the list goes on. I’m at a crossroads here, I have receive, audio, however no carrier transmit. I’m missing at IC5 SO42p mixer the 7.8 and 34mhz. Scratching my head trying to find the culprit...