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  • High Pitched Buzzing with M1 Active

    Had this issue for awhile, but it hasn't caused to much issue because it's almost unnoticeable at low volumes.

    Anyway, I have a really nasty high pitched buzzing sound at higher volumes. Tried adjusting the Treble and Presence on my PADI, but while it can lessen it a bit, it doesn't go away enough to not be an issue for me or the soundguys. I've tried throwing a noise gate into my signal but even that doesn't help. However, when I touch my lips to the microphone it goes away, but as soon as I pull away it's back.

    My setup is simple. Guitar > 1/4" cable > Korg tuner pedal > 1/4" cable > PADI > XLR cable > Mixer. I've tried different cables. Took the tuner out of the equation, etc. Have had the problem at two separate venues.

    It sounds like a shielding problem, but I don't know what to look for in the jack to check. The local repair guy in this small town I moved to is horrible. The nearest Baggs dealer/repair guy is a three hour drive away. I do have experience with pickups, but I'm no pro. What should I look for to find out if there's a shielding problem?

  • #2
    Hey Stirlander,
    It does sound to me like there is a grounding/shielding issue going on. If you touch the poles on the pickup, does the hum go away or does it get worse?

    If the hum goes away, then it's a shielding issue, probably in the pickup, jack, or cables. If the hum gets worse, that would mean that the pole pieces in the pickup are not grounding correctly.

    There are things you can do to potentially fix either issue. So let me know what you find.

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    • #3
      Touching the pole pieces makes it go away.

      Comment


      • #4
        Ok,
        Then it likely a shielding issue. My first guess would be to check the instrument cables that you are using, but you said that you've already tried that. Cables are usually more prone to developing that kind of issue.

        Do you remember if this has been an issue from the start or if it developed after some time of playing it?

        Our jacks are very well shielded, but if the jack was modified, it could have caused issues. It's also possible that the pickup has somehow developed an internal issue, but that isn't as likely either.

        If you have a break in your playing schedule, and you want to send the pickup in for free evaluation, I would be happy to accommodate you. Just email me at [email protected].

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        • #5
          Originally posted by Caleb_Elling View Post
          Hey Stirlander,
          It does sound to me like there is a grounding/shielding issue going on. If you touch the poles on the pickup, does the hum go away or does it get worse?

          If the hum goes away, then it's a shielding issue, probably in the pickup, jack, or cables. If the hum gets worse, that would mean that the pole pieces in the pickup are not grounding correctly.

          There are things you can do to potentially fix either issue. So let me know what you find.
          HI caleb

          I think I have the later of these two issues - (If the hum gets worse, that would mean that the pole pieces in the pickup are not grounding correctly.)
          could you advise on how to resolve if possible please?

          Comment


          • #6
            Originally posted by Guybennettmusic View Post
            HI caleb

            I think I have the later of these two issues - (If the hum gets worse, that would mean that the pole pieces in the pickup are not grounding correctly.)
            could you advise on how to resolve if possible please?
            Responded on this thread: http://www.lrbaggs.com/forum/showthr...roblem-with-M1

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