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  1. J

    Maco 300, Varmint XL-350, what are they worth anyway?

    Seems like since bigger transistors got less expensive than tubes all of the CBer's have gone to 12v amps. You can't buy most of the tubes, that the cheap old linears were constantly burning up, at reasonable prices anymore. Sounds like you probably should avoid the whole area. If he could...
  2. J

    Newbie CB set up question

    Meter I'd try to avoid buying any tools if I were you....if you decide to stay with 2 way radio, ham radio tools always better. What is not an experiment, it that for AM a quality power mike is a usually a good investment but a good Omni base antenna about thirty five feet(11 meters? Aint that...
  3. J

    Amp?

    While were on the subject, check the SWRs between the radio and the amp.........."They" used to make a drop resistor the went between the two but "they" wanted a lot of money..... .......what I have done before, is tweak the radio out as I usually would and add a bunch of drop resistors to...
  4. J

    when a capacitor becomes a cannon

    !!!!!!!!CAUTION!!!!!!LETHAL!!!!! THAT OIL BLEW OFF IN A REAL FINE MIST!!! IT IS VERY VERY CONDUCTIVE!! And Make sure you wash it off of YOUR MULTIMETER!!
  5. J

    SWR and LSB Freq. align on Cobra 135XLR!!!

    Cobra 135xlr Same board as a Browning or Tram, both so pricey when new that I'd do my best restore it to exact factory spec. There obviously wasn't a better SSB board avalable. I have the same problem you did, little to no factory information. Frequency adjustment is kinda weird. The...
  6. J

    Vintage trio TS-510

    The Kenwood/Trio Ts-510 I ran one of those, years back. It was a little too long ago for me to remember too much about it. I was very young and working for a Vacuum tube salesman, converting tube circuits was about all we were really concerned about. What I do rememeber about that...
  7. J

    Cobra 135XLR Output Mods?

    Alighnment instructions? At one time Cobra's US offices used to sell us the factory alighnment instructions. I ordered the book for the 2000 back when I bought it new.(No I don't have either anymore. A NY State trooper "borrowed it" and the deed to the house they were in...but I "should be...
  8. J

    27.285 pal talk chat room

    28 is morning roll call Every morning, the local folk have been having roll call. Try not to shoot any skip from 7:55AM til 8:10AM. As any skip shooter knows, during that time frame, the lecture about the latant and hallucinogenic effects of Geritol, on a bunch of retired people with sand...
  9. J

    Looking for Help (Bias Adjustment)

    That amp is so pretty, I'd be terrified of messing it up. You should call Dave and ask him. Try and keep it original. DAVEMADE .com - Home For those of you that were wondering how that all works. When I built amps before, we generally decided on a bias voltage during the design and...
  10. J

    BOOTY 4

    If they don't get the message after that one, try a AR15. Donno Booty...seems that improving that desighn would involve using good aluminum...that was the real problem with the vector, they didn't survive. 7075 is at least two time if not three times stronger that the architectual crap they...