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I have a Jackson guitar with a Floyd Rose.

Recently I have changed the tuning from C# standard to E standard which involved a lot of screwing of the springs which hold the Floyd Rose mechanism.

So after that and changing strings, a weird squealing noise started to appear when I strum the 5th string and then immediately mute it with my palm. An example of that is in the following SoundCloud link:

This also happens when the guitar is not connected to an amp and the other strings seem to be OK.

Does anyone know what's going on?

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On the assumption it only happens on the open A string - and possibly other A notes, it sounds like one of the springs just happens to be at a tension which makes it vibrate sympathetically with that pitch.

Solution: change the tension of the springs very slightly so that none will produce that afternoise.

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    Another simple thing to try to remove this possible "wolf tone" is to wrap a rubber band around the springs
    – Doktor Mayhem ♦
    Commented Nov 17, 2023 at 10:07
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    @DoktorMayhem - yes, I did consider a piece of sponge around the springs, if the tension is exactly what's needed, but I'm certain that a particular tension isn't that critical. And, by damping the springs, wolf tones are eliminated on all pitches.
    – Tim
    Commented Nov 17, 2023 at 10:11
  • @Tim I'll try that as soon as i get home and report the results, thanks!
    – Dima Birukov
    Commented Nov 17, 2023 at 10:18
  • @Tim I've tried to change the spring tension (both tightening and loosening) and still i get this sound. I should note that other A notes are fine - It only happens with the A string. I've tried to hold the spring in question with my hand while strumming the string and the noise did stop. I'll try the dampening method next. Thanks.
    – Dima Birukov
    Commented Nov 17, 2023 at 12:43
  • Yo are talking about the springs that are connected to the claws inside the body? Which generally will be 2 or 3 for the whole block.
    – Tim
    Commented Nov 17, 2023 at 12:57

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