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Good vibrations? Bad vibrations? Sympathetic vibrations
So I’m a rank beginner when it comes to classical guitar, but in the world of bass guitar, sympathetic vibrations are to be avoided.
Should I be focusing on trying to prevent it, or is it just a function of the instrument that should be embraced? I know that on the double bass, sympathetic vibrations can make it really easy to tell if your intonation is spot on (hit the E perfectly on the D string, and watch that low E start to shake). |
#2
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#3
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In contrast, on the double bass, you don’t do that at all. While you could in theory do that when playing pizzicato, nobody does, and it’d be practically impossible to do when playing arco (with the bow). In general, the sympathetic vibrations aren’t as noticeable audibly on the double bass as the bass guitar, but you can certainly feel them. So back to the question, when playing classical guitar, are the sympathetic vibrations something I need to worry about dampening down? I certainly notice them a lot more than I do on the double bass, likely due to the pitches involved and the fact that the guitar is moving a lot less air than a double bass does, so the ratio of sympathetic vibration to actual note is a lot different. (To get an idea of how much air a double bass can move, I can face the wall and play my bass and proceed to rattle glassware and the snares on my son’s drum set in another room behind me). |
#4
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I tune steel and nylon guitars very low (CGCFAC) and don't plug-in. The wobbly basses do get messy when played aggressively, though, I haven't noticed a disruptive rumble, which may be due to the standard guitar sizes that I use. An overly sensitive, larger body, scalloped braced steel string guitar, or the massive Bajo Sexto could be more likely to deal with that issue.
You could reduce bass string resonance by using a mixed set, the bass strings being of a higher tension than the trebles. La Bella 2001 series offers a mixed set. Last edited by Bax Burgess; 03-10-2021 at 12:37 AM. |
#5
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It depends on the music of course, with some sounding better with the bloom of the basses; but I do tend to damp the bass strings a lot- it sounds tidier,
and fits most of the music I work on. I might do it too much, though.. |
#6
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I’m so used to sympathetic vibrations being a sign of bad technique on guitar type instruments, full stop, that I think I can live with a case by case type of situation. I definitely notice it a lot more with rest strokes vs free strokes, but that sort of makes sense at a gut level. |