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Search results

  1. Low_Boy

    Cobra 139 XLR Power supply Problem.

    399 that would be impossible . My cobra style power cord is directly hooked to my power supply and has been used for years the exact same way no change. I will look if someone had changed something in the radio. I will check if it can even be plugged in the wrong way. I do not recall the center...
  2. Low_Boy

    Cobra 139 XLR Power supply Problem.

    So you think it sounds like the bridge rectifier? The reason I ask is it seems to test good and the radio will still work perfectly when plugged in the wall. Thanks
  3. Low_Boy

    Cobra 139 XLR Power supply Problem.

    I will admit I know nothing about power supplies. So a odd problem occurred on this radio. The power supply is working while plugged in to AC. I unplugged the AC cord and then Plugged in the 13.8V cord from my power supply and some wires burnt in the power supply of the radio. When this...
  4. Low_Boy

    meter light

    My experience is the color changing lights make a buzzing while changing colors. I bought two radios that had the color changing light and removed them. To me they seemed a bit hokey but some of the colors were great.
  5. Low_Boy

    meter light

    They Will.
  6. Low_Boy

    meter light

    It is 3 mm. And that works perfect.
  7. Low_Boy

    Cobra 139xlr

    I am in the process of trying to get one of the exact same radios up and running. First Check C179 a Tantalian Cap. The one I am working on also had a bad driver due to the Cap frying.
  8. Low_Boy

    Modern vs vintage lab/test equipment.

    I will keep this short because I am using my phone. If I feel the need I will elaborate later. I don't think you need the latest and greatest to fix cb radios as a Hobbie or sideline. Like loose cannon and tramd mentioned. And just keep in mind you are never going to make enough to pay this...
  9. Low_Boy

    Cobra 148GTL - Philippine- AUG90

    I think you are expecting too much out of a CB.
  10. Low_Boy

    I always hear buy a HF Rig for 11 meters.

    Actually I must repost and laughing as I do this. I do not talk a lot on 11 Meter anymore because most of the intelligent people are gone in my area. But I must say when switching between a Icom 718 and a CB Usually a HR2510 or a Ranger with some power behind it I am told the HR2510 or Ranger...
  11. Low_Boy

    Cobra 148GTL - Philippine- AUG90

    I have had many 148 GTL's and some do more power than others.
  12. Low_Boy

    meanwhile out in the garage part II

    I am surprised how much I can buy directly from Atlas Clausing. I will get the info to you. The one I have is I believe from the 40's
  13. Low_Boy

    HR2510 coil/glue problem

    Pay attention. Make sure you use the same amount of wraps. It may take a couple of times but you can do it. And a big magnifier will help.
  14. Low_Boy

    HR2510 coil/glue problem

    For L135 and L136 I use 24 AWG. Just a note it is hard trying to do this with a single color wire. I have not found anything that I can color the second wire with. Paint, Sharpie or Nail polish rubs off. For L34 I use 27 AWG. And for L24 I use 30AWG. It is a bit hard doing L124 with 27 AWG...
  15. Low_Boy

    Cobra 148GTL - Philippine- AUG90

    One more thought. I have had 148 GTL's that when the mic. gain is backed off a bit I get more modulation. I can see that on the Scope and power meter. Also that Rick Jackson schematic has mistakes in it.
  16. Low_Boy

    Cobra 148F GTL. Rough shape works good.

    I ended up getting this in a trade sight unseen. It works well but a bit rough around the edges. Two mounting tabs on the bezel are broke. Small wrinkles in the bezel. Wires to adjust bias are soldered to the pins on the board. There are no mods that I can see. All I did was put the limiter back...
  17. Low_Boy

    Cobra 148GTL - Philippine- AUG90

    That would meat turn up VR11.