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  1. 3

    High voltage arcing in amp?

    Ok, well I guess I should have worded it better and things got misunderstood in 4 pages.. But it started off with just the arc then it lost the output... I fixed the output and said that was fixed but the arcing still continued, but it was back to where it was before as someone said I "ruined...
  2. 3

    High voltage arcing in amp?

    Well im done arguing with you idiots. If you read what was going on the amp lost its output and would not do anything at all... That insulator was the problem with that.. it has full output now but does like it did when I first got it and arcs in the plates. The coil is the exact same as the old...
  3. 3

    High voltage arcing in amp?

    Well... my "shotgunned" coil produced an extra 50 watts so how about that??? Nobody was right as far as output.. It was called a defective mica insulator on the loading cap... Check continuity, it was shorted by the little metal strip.. Removed 2 screws and bent the tabs back... Back to normal...
  4. 3

    RM KL203 Jumper settings

    2 & 3 is correct.
  5. 3

    High voltage arcing in amp?

    Oh now I see the dc blocking cap,thats not there?! :mad: Well there is/was no dc blocking cap in this box... Also I made a new tank coil with 1 1/16'' form, 4 turn copper wire and installed it just like you did with the old phantoms so it has the same circuit now besides that dc cap... Im...
  6. 3

    High voltage arcing in amp?

    Yep may just have to get a bigger one. I like the saying, if you need more than 1 tube, get a bigger tube!. I was driving it with a stock galaxy dx 959, with a carrier of a little less than 3 watts swinging up to about 13, nothing this box should have a problem with at all. Another thing...
  7. 3

    High voltage arcing in amp?

    The capacitor is fine. Believe me I read ever single article on arcing I could find, but thanks for that link, it was an interesting read. The capacitor is fine, I looked it over and none of the fins are touching, I tested it with a multi meter, no continuity between plates.. Cleaned it up and...
  8. 3

    High voltage arcing in amp?

    Thanks for the responses, heres what I found... The pdx-400, atleast this one uses 2, 3 pole relays.. On the antenna relay I tried advancing the tank circuit pole a few thousandths, so the antenna would connect before the input circuit, didnt work, still shoots sparks.. Now the 2nd relay is what...
  9. 3

    High voltage arcing in amp?

    Ok heres what I found, plate is clean, not even any carbon deposits on it from where it was arcing??? Input and output so-239 connectors are good with tight fitting connections. My coax is only a few months old and is rg-213 to the antenna, and rg8 to the meter from the amp. Coax all checks out...
  10. 3

    High voltage arcing in amp?

    Hi guys, I have been looking for an answer to this question for a while now to no avail. I have an old d&a pdx-400 amplifier that has some issues. First off I am only driving it with 2 watts dead carrier, modulating to 12 pep, into a beam that every other amplifier I had worked fine into. Input...