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PGXL low output power

W3US
W3US Member ✭✭
in Power Genius XL Amplifier

Everything working fine this afternoon. Came back to rig a few hours later and PGXL output is substantially reduced, like no more than 150-250 watts even with 50W drive. Tried 20, 40, 80 - same results. All looks normal with the 6600, and nothing changed with regard to the antenna. SWR is still within acceptable range 1.1:1 -- 1.7:1. What should I check? TIA Rusty - W3US

Answers

  • Butch
    Butch Member ✭✭✭

    Rusty you might want to try doing a PG-XL reset, found on page 38 of its manual.


    Butch, KF4HR

  • W3US
    W3US Member ✭✭

    Thanks for the tip Butch. I performed a factory reset (twice just to be sure) with the same outcome. 30W drive on 40M and I am only getting 90W out. Output diminishes as frequency increases. On 15M I only have 50W out with 30W drive. Thanks for the tip.

  • WP4SK
    WP4SK Member ✭
    Please update how you fix the problem
    Thanks
  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator

    Open a Help Desk ticket.

    Sounds like possibly one of the RF devices let go. When you key up in SSB without audio what is the current reading? Should be at least 4 amps.

    Dave wo2x

  • W3US
    W3US Member ✭✭

    To respond to WP4SK's question as well as agree with Dave's comment - open a support ticket. In my case it was a defective RF device, which was quickly repaired by the folks in Austin. Flex support is excellent - open a trouble ticket. de W3US

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