Re: Acoustic that lacks bass response on bottom E string

On 19 Nov 2003 22:20:27 GMT, [EMAIL PROTECTED] (Al Carruth) wrote:

>>Well Ally, you don't let any grass grow underfoot! 
>>
>>I was going to suggest an easy and non-destructive test to try. Load the back
>>with a lump of poster adhesive (Blu-Tac or Fun-Tac) which will drop the pitch a
>>bit. You can move it around, add and subtract weight, until you find the back
>>pitch that is most effective. The spot the works with the least amount of added
>>weight is the place to remove wood. Making a brace or the back thinner will
>>lower its resonance frequency.
>>
>>Usually 'tuning' the back will not effect the trebles directly, or, a most, one
>>or two specific notes. It does change the balance, though.
>>
>>Benoit: 
>>I usually try to use my sine wave generator to look at glitter patterns when I
>>can. I have determined some of the resonance frequencies of some guitars using
>>recordings, usually of taps on the bridge, although you can pick them out of
>>musical recordings if you have a pretty big sample. Sometimes you can pick up
>>tap pitches with a tuner, but most of the time te signal doesn't last long
>>enough, and you have to hum the pitch to get it.
>>
>>Alan Carruth / Luthier


Alan,
Could I get your input on a similar problem with another guitar?
Please see:
"Boominess on one acoustic guitar string (acoustic guitar)",
 in  rec.music.makers.acoustic

Thanks,
Ally