Hi guys, I am new to this forum and just completed building my first cigar box Ubass using thundergut white strings. I am having some buzzing with string A and D especially around the 3rd and 5th frets. I should mention that my bass is fretless. Can anyone help? I feel that everything was going really smoothly until as requested by the manufacturer I pulled (a bit too hard) on some of the strings. To the point that one portion of the string looks overstretched (thinner than the rest). Could that be the reason? Thank you!

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  • Hi guys,  thank you all for your thoughts. I have now changed my strings and the buzzing went. it must have been the damaged string.

  • The action on most commercially made ones I have seen has been rather high. I have not seen one with decent acoustic volume. 

    I put about 3mm action at the nut and 6 or 7mm at the 12th on the one I made.

  • I tried one too, the strings vibrate like crazy. Maybe you could raise the bridge and/or the nut to see if it is too close to the fretboard. Also plucking the string parallel to the fretboard helps. I couldn't get any acoustic sound volume either, how is yours?
  • Thank you for you answer. I will check my screw. There were certainly. Couple of head that seemed loose. But as I said I also feel that I distorted the D string in particular. I checked it again dot is thinner at the 3rd and 5th. Posting a photo of it in the gallery now.
  • Pics of the patient might help stir some ideas.  Fret buzz from a fretless is a head scratcher.  My last 'unexplained buzz' turned out to be a loose screw on the tuner's head.

  • Hey! Anyone out there who can help? Thanks.
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