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Nasty resonance - acoustic guitar

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Re: Nasty resonance - acoustic guitar

Postby Sam Spoons » Mon May 20, 2019 10:38 pm

I think it's a sympathetic resonance from the other strings and suspect all guitars will do it 'cos it's simple physics. Some will exaggerate it more than others but if you have an open C chord then C will be a first, third and 6th harmonic of both C's for starters so when you let the chord ring the will gradually become more dominant. If the guitar has a resonance at one of those pitches it may be excited by close harmonics in different chords when it will be discordant rather than 'in tune' as in the audio file. If it's in tune then it's part of the character of the (or any maybe, will test some of mine when I get chance). guitar and something to live with or embrace, if not then I'm not sure how to deal with it except that some keys, on acoustic guitars, always sound better than others.
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Re: Nasty resonance - acoustic guitar

Postby Watchmaker » Tue May 21, 2019 12:20 am

yes, I went down a bunny trail because the notion of damping a guitar appeared before me so, you know. research.

I didn't find anything much, we I did but, anyway, as a drummer I use self sticky dampener pads to pull ring our of toms and snare and thought a similar approach might be well explored in guitar land. Not so it appears, but I did find this which I thought was a pretty good overview.
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Re: Nasty resonance - acoustic guitar

Postby Generic Moniker » Tue May 21, 2019 2:08 am

Thanks for all the suggestions. I've checked for other sources of resonance in the room(s). Nope, not that. Pretty certain it's the guitar. I will change the brand/type of strings but I think it is as Sam and others have suggested: it's inherent to the instrument. The ringing harmonics are always present but they seem so exaggerated when recorded with a variety of condenser mics. I will experiment with mic position, attack, pick etc to hopefully minimize the effect.

Funny I never noticed this in the past. I suppose it's a good sign. I'm learning. Thanks.

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Re: Nasty resonance - acoustic guitar

Postby Generic Moniker » Tue May 21, 2019 2:11 am

Watchmaker wrote:yes, I went down a bunny trail because the notion of damping a guitar appeared before me so, you know. research.

I didn't find anything much, we I did but, anyway, as a drummer I use self sticky dampener pads to pull ring our of toms and snare and thought a similar approach might be well explored in guitar land. Not so it appears, but I did find this which I thought was a pretty good overview.
Funny, as a drummer I immediately thought of damping! Thanks for the link. Interesting stuff.

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Re: Nasty resonance - acoustic guitar

Postby Generic Moniker » Tue May 21, 2019 2:22 am

...but I hope it's the Elixers!

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