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Why the obsession with the lowest octave

From what is written in these forums and elsewhere see the following for instance.

Scroll down to the chart showing the even lowest instruments in this example recording rolling off very steeply at 40 Hz.

http://www.homerecordingconnection.com/news.php?action=view_story&id=154

It would appear that there is really very little to be heard between 20 and 40 Hz. Yet having true "full range" speakers is often the test of a great speaker. Does anyone beside me think that there is little to be gained by stretching the speakers bass performance below 30-40 cycles?
My own speakers make no apologies for going down to only 28 Hz and they are big floor standers JM Lab Electra 936s.
mechans
dcrugby
96 posts
 
i relate to what ecruz said.

the first time i hooked up subs it totally baffled me how the soundstage expanded.

also the perception of low level detail.
mapman's avatar
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mapman
15,679 posts
 
I have OHM 5 series 3 near full range floorstanders that do well down into the 20-30hz range and Dynaudio Contour 1.3mkII monitors that I would estimate do well into the 40-50 hz range on the same system.

That extra low end makes a big difference on most everything play!

I had the monitors first to see if I really needed the low end I knew was not there. I do to be totally satisified, though the Dyns do a ver satisfying job with the low end UNTIL you compare with the others that plunge the depths way better by design.
dan_ed
2,451 posts
 
Thanks for the correction, Eldartford and Kihanki! I am mixing myself up. The fundamental IS the lowest sinusoid. I'm sounding like Irwin Corey again. ;-)
hifihvn
943 posts
 
How much bass comes from the concert hall reinforcing bass from the instruments? When the instruments are measured, they are probably done individually in a room that may have no influence on the sound. No room reinforced bass may be the case. Anyway, something to think about. Resonance of the hall and surroundings. That may be some of the reason for bass being there, good or bad. We here it live, and can miss it at home. Here is a link to look at.[http://www.akutek.info/Posters/KG_Basses_on_Floor_Poster.pdf]
hifihvn
943 posts
 
Pardon the grammar. That Akutek link has interesting info. Same link.[http://www.akutek.info/Posters/KG_Basses_on_Floor_Poster.pdf]
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