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Operation noise on TGXL

Hi. Can anyone tell me if there is much of a “clicking and clacking” relay sound from the TGXL when it is instructed to find a tuning solution? I once had an auto-tuner made by M.F.J. and it made quite a fuss when tuning to reduce swr. It is not necessarily a deal-breaker, but I would like at least some first hand info. It would be sat on my shack bench right next to the 6600M.

Many thanks. Mike.


  • Butch
    Butch Member ✭✭✭
    edited January 13

    When memorizing the initial tuning solutions the TG-XL relays click for 2-3 seconds, but once the memories are set up on each band, returning to a previously memorized band segment the TG-XL makes one relay click noise and it's tuned in a fraction of a second.


  • Mike Steventon
    Mike Steventon Member ✭✭✭

    Thank you Butch. I guessed there would be such. I assume it would be a lot quieter than the HF-Auto, which has whirring motors to distract (or impress, if you like!).

    73 Mike G4GWH

  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator

    Once you set up the TG XL tuning memories during operating it is a LOT faster than the HF Auto. And you don’t have to lubricate it over time.

  • KM4CQG
    KM4CQG Member ✭✭

    The HF-Auto utilizes Step motors to turn a differential capacitor and a Roller inductor. These produce that Hum we hear when tuning.

    The new Tuner Genius utilizes electronic circuits to mimic same effect and clicks and clacks to find a solution. The good thing is it automatically memorizes a solution and the next time at that frequency you hear nothing.


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