Acoustic Guitar Bass Frequencies - Revision history

ST: Category:Instrument

2008-12-22T19:28:59Z

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	[[Category:PS1 Powerstand]]		[[Category:PS1 Powerstand]]
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ST: Category:Guitar

2008-09-19T15:18:51Z

Category:Guitar

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	[[Category:Instruments]]		[[Category:Instruments]]
	[[Category:PS1 Powerstand]]		[[Category:PS1 Powerstand]]
	</noinclude>		</noinclude>

ST: Category:A1 PackLite®

2007-06-19T18:54:37Z

Category:A1 PackLite®

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	[[Category:Acoustic Guitar]]		[[Category:Acoustic Guitar]]
	[[Category:Bass]]		[[Category:Bass]]

ST: ref to Oldghm original comment

2006-12-24T02:55:41Z

ref to Oldghm original comment

← Older revision		Revision as of 02:55, 24 December 2006
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	Hilmar-at-Bose Speaks about B1s and Acoustic Guitar<ref>Hilmar-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=2641067362#2641067362 PackLite Questions]</ref>		Hilmar-at-Bose Speaks about B1s and Acoustic Guitar<ref>Hilmar-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=2641067362#2641067362 PackLite Questions]</ref>

	Oldghm, you did some really interesting experiments there. However, you have to be really careful when using an RTA. You can feed these things a pure sine wave at 80 Hz and by turning it up make the 63 Hz and even the 40Hz LED light up. They will be lower than the 80 Hz LED, but still come on. That does NOT mean, that the sine wave contains any other frequency than 80 Hz (it certainly doesn’t). It only means that the RTA has a pretty limited frequency resolution. The 63 Hz LED will respond best to 63 Hz signal but it’s in no way “blind” to 80 Hz signal.		Oldghm<ref>Oldghm comment on using an RTA [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=7291057262#7291057262 PackLite Questions]</ref>, you did some really interesting experiments there. However, you have to be really careful when using an RTA. You can feed these things a pure sine wave at 80 Hz and by turning it up make the 63 Hz and even the 40Hz LED light up. They will be lower than the 80 Hz LED, but still come on. That does NOT mean, that the sine wave contains any other frequency than 80 Hz (it certainly doesn’t). It only means that the RTA has a pretty limited frequency resolution. The 63 Hz LED will respond best to 63 Hz signal but it’s in no way “blind” to 80 Hz signal.
	Thus being said, the actual frequency content is not easy to determine. All sounds that have a pitch are certainly constraint to 80 Hz and up (in standard tuning) and there isn’t actually too much energy at the fundamental. However, the “non-pitched” sounds like a hard string attack or whacking the top with your hand can very well have lower frequencies. Unfortunately, I don’t have any hard data on that, but we will measure that at some point.		Thus being said, the actual frequency content is not easy to determine. All sounds that have a pitch are certainly constraint to 80 Hz and up (in standard tuning) and there isn’t actually too much energy at the fundamental. However, the “non-pitched” sounds like a hard string attack or whacking the top with your hand can very well have lower frequencies. Unfortunately, I don’t have any hard data on that, but we will measure that at some point.

ST: first ed for inclusion in B1 Bas and Acoustic Guitar

2006-12-24T02:51:55Z

first ed for inclusion in B1 Bas and Acoustic Guitar

New page

== Acoustic Guitar Bass Frequencies==
Hilmar-at-Bose Speaks about B1s and Acoustic Guitar<ref>Hilmar-at-Bose [http://bose.infopop.cc/eve/forums/a/tpc/f/3976055944/m/6121039062?r=2641067362#2641067362 PackLite Questions]</ref>

Oldghm, you did some really interesting experiments there. However, you have to be really careful when using an RTA. You can feed these things a pure sine wave at 80 Hz and by turning it up make the 63 Hz and even the 40Hz LED light up. They will be lower than the 80 Hz LED, but still come on. That does NOT mean, that the sine wave contains any other frequency than 80 Hz (it certainly doesn’t). It only means that the RTA has a pretty limited frequency resolution. The 63 Hz LED will respond best to 63 Hz signal but it’s in no way “blind” to 80 Hz signal.
Thus being said, the actual frequency content is not easy to determine. All sounds that have a pitch are certainly constraint to 80 Hz and up (in standard tuning) and there isn’t actually too much energy at the fundamental. However, the “non-pitched” sounds like a hard string attack or whacking the top with your hand can very well have lower frequencies. Unfortunately, I don’t have any hard data on that, but we will measure that at some point.

<noinclude><references/>
[[Category:A1 PackLite™]]
[[Category:Acoustic Guitar]]
[[Category:Bass]]
[[Category:B1 Bass Module]]
[[Category:Instruments]]
[[Category:PS1 Powerstand]]
</noinclude>