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Private member DiscussionAcoustic Repair

Brand new Gibson Hummingbird with Wolf tones

A customer brought me a new Hummingbird with fret buzz a few weeks ago. After performing what may be the best levelling job I've ever done, the buzz was reduced, but still noticeable, though it sounded different than normal fret buzz. When I noticed that the sound was worst when playing F2 (on the A string or D string), I did a frequency analysis and discovered that the main top resonance was at 163.9 hz, and it all made sense. Those…

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I am getting way above my pay grade here, but if you accept that (1) a wolf tone occurs when the impedance mismatch between string and soundboard is minimized and a resonance is created (allowing vibr…