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NAD help diagnose crackle

Discussion in 'Amp Central Station' started by Hendrixlvr, Mar 3, 2021.

  1. Hendrixlvr

    Hendrixlvr Tele-Holic

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    Hey all. My ‘58 Supro 1606 came in today and sounds killer until I get it up a little over 25% then it gets this floppy crackle to it....you can hear it at about 13 seconds in on this video I just made....
    Any ideas?

     
  2. schmee

    schmee Doctor of Teleocity

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    As the note fades? at 0:17- 0:22? Yeah, sounds like a speaker issue maybe... Can you try a different cab?
     
  3. Hendrixlvr

    Hendrixlvr Tele-Holic

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    Cant try a different cab right now but some peeps in a Supro forum say try tubes first. They are the original tubes so I wouldn’t be surprised if that was it.
     
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  4. Chud

    Chud Poster Extraordinaire

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    I’d probably first give every connection on the amp a good cleaning with some Deoxit and see if it is just half a century of gunk/dirt/oxidation.

    Very cool amp btw. Congrats!
     
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  5. telereissue

    telereissue Tele-Meister

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    I'm willing to bet it's a power tube. My Twin did this.
     
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  6. Count

    Count Friend of Leo's

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    Power tube on the way out.
     
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