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In Reply to: RE: " most smallish speakers are still not struggling too hard at 60hz " posted by beppe61 on December 02, 2014 at 05:11:03
The bass extension and SPL capability of small stand mounted speakers depends a lot on the size of the room and the placement of the speakers in the room.
At one extreme, if you're using the LS50s in a small room placed no more than 1m out from the front wall and listening at a distance of 2m, I'm certain they can produce clean bass down to 60Hz at reasonable listening levels (up to 85dB average at the listening position is what I mean by "reasonable"). On the other hand, if you place the LS50s in a big room 2m out from the wall and listen in the far field, you'll probably find their response starts to roll off below 100Hz and they struggle to produce clean output in the mid-bass at reasonable levels.
If you use the LS50s in a room that is too big for them, I suspect you will not be satisfied with their dynamics & scale even if you solve the bass problem by using a pair of subs with a high crossover frequency.
Follow Ups:
Hi and thanks and yes
I have alredy got the suggestion to place them under the ceiling
In this way i should get more bass
Not the easiest way i am afraid
I usually place speakers on the side of the display
When i get the sound perfectly centered on the screen i am done
So maybe a decent central sub is the best and easiest solution in the end
Thanks again.
Kind regards,
bg
The KEF LS50 is a soundstaging champ, especially considering its price. Unless your room is small, I think you would prefer not to place them too close to room boundaries otherwise you'll lose soundstage depth and imaging precision.
Hi and thanks and sorry for the late reply
" The KEF LS50 is a soundstaging champ " and i am a soundstage addicted
And it would be nice to understand what makes a speaker a soundstaging champ, one of the most wonderful effect with stereo systems
But this would require a separate discussion
Staying in topic i understand that the room has a renforcing effect on the bass and i do not know exactly the measurement conditions for that graph but i do not think it was a anechoic chamber, i think a normal home listening room.
But to end i think that a nice full-scale piano recording tells a lot of things about the potential and bandwidth of a playback system.
The more realistic the piano the better the system, as always
Thanks again.
Kind regards,
bg
"I have alredy got the suggestion to place them under the ceiling."
I can just imagine trying to hoist those big KEF's onto scaffolding to try to get them close to the ceiling. My back aches just thinking about it. Not what I was saying.
Rather, you can use (distance to) the room's boundaries to flatten the bass, lower mid-range response of any speaker by taking into account "the Allison Effect."
1. http://forums.musicplayer.com/ubbthreads.php?ubb=showflat&Number=693960
2. http://www.soundonsound.com/sos/1995_articles/dec95/boundaryeffect.html
3. http://www.musicanddesign.com/Boundary_reflections.html
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