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HELP... !!! hammering sound echoes from my strings
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Tom Blackshear
Posts: 2304
Joined: Apr. 15 2008
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RE: HELP... !!! hammering sound echo... (in reply to gj Michelob)
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quote:
ORIGINAL: gj Michelob Good morning Anders (it’s 5:30 am here in California) and thank you so much for addressing my concern. I tried my guitars as soon as I read your question: yes, the odd sound is there with or without capo. Whether I do or do not pick the strings with my right hand fingers, if I simply run a scale (say, open 1st A G [2nd] F E D [3d] C B A) in addition to the normal sound of the strings, there is a sound similar to a “harmonic” , unrelated to the notes I play, that responds to each fret I touch. Also such odd sound is more pronounced on the trebles and almost inexistent on the basses. I am wondering if it has to do with temperature and weather, and therefore expansion or shrinking of wood (?). It is colder and drier than usual, here in SF. Sometimes different brand strings can cause a overly simplistic harmonic effect as they don't comply with the top timber like they should. A different kind of torque on the top can cause sympathetic vibrations that are really a hair's line off and need certain string tension/pull to bring it back in line. Some Spanish guitars will exibit this sensation as they are not tuned past their intended construction method. Some critics of this method think that its all in the labor or lack of labor-time spent to correct any of these potential abnormalities as the guitar ages. Sometimes, just changing string brands or the string tension will correct the problem. In other cases the top should be retuned to make this sympathetic noise go away. This happens to the best of us and even Bob Ruck has had these vibrations that I noted on one of his classical guitars. Generally speaking, it's all a matter of trying to remove these issues before completing the guitar. And Yes, weather can have something to do with it.
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Tom Blackshear Guitar maker
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Date Dec. 7 2008 8:53:45
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gj Michelob
Posts: 1531
Joined: Nov. 7 2008
From: New York City/San Francisco
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RE: HELP... !!! hammering sound echo... (in reply to Stephen Rees)
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Thank you, once again, Tom and, of course Stephen. Three guitars, Conde, Ramirez and GR Vazquez, are all reacting in the same odd way. I tried all your suggested remedies, changed rooms, temperature and strings, with and without composite G. I must believe, however, that it may be the generally drier air ... unless my fingers have developed something wrong, as they are a common denominator to all three guitars (!!!???)
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gj Michelob
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Date Dec. 7 2008 17:26:05
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jshelton5040
Posts: 1500
Joined: Jan. 17 2005
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RE: HELP... !!! hammering sound echo... (in reply to gj Michelob)
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quote:
ORIGINAL: gj Michelob Three guitars, Conde, Ramirez and GR Vazquez, are all reacting in the same odd way. I tried all your suggested remedies, changed rooms, temperature and strings, with and without composite G. I must believe, however, that it may be the generally drier air ... Sounds like your guitars are reacting to dry air. When the humidity falls the topwood shrinks and the dome in the top collapses. This can cause all kinds of problems with buzzing, funny overtones, etc. Put a damp sponge in a ziplock. Punch some pinholes in it and hang it from the strings inside the soundhole with something like a paperclip. It will probably solve the problem overnight.
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John Shelton - www.sheltonfarrettaguitars.com
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REPORT THIS POST AS INAPPROPRIATE |
Date Dec. 8 2008 17:23:48
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