Klipschorns and Room Treatments - Page 5 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #41 of 118 Old 02-08-09, 10:57 AM
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Re: Klipschorns and Room Treatments

Thats a very nice bass response you have in your room! I would kill to get even close to that in my room. I would look at the mids and highs to see what needs to be done there before playing any more with the bass.
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post #42 of 118 Old 02-08-09, 03:25 PM Thread Starter
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Re: Klipschorns and Room Treatments

Thanks, fredk. The traps sure allow the 18" sub driver to "breathe". It always seemed that there was more bass outside the room than inside. The sub would definately shake the floors upstairs, but that "punch" was missing inside the room. Not anymore.

I haven't measured the response in the other two chairs; of course there will be some variation. The highs are indeed a little muted now, especially with six 4" thick first reflection panels also in the room. I think I may tweak the manual EQ settings on the receiver a little. I used to like having Audyssey on but since I added the bass traps, the overall system sounds better with it off.
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post #43 of 118 Old 02-08-09, 10:22 PM
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Re: Klipschorns and Room Treatments

I have seen people put wood slats in front of their broaband traps to bring back some of the mids/highs.

For fun, take a look at the measurements in my room in the 'Room Treatment Round Two' thread. You'll see why I like your results so much.
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post #44 of 118 Old 02-09-09, 06:22 AM
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Re: Klipschorns and Room Treatments

Be very careful with covering our panels. If you put anything on them, you're going to kill the membrane effect on the front. Also, even though it's not sealed behind, you can still get some 'tuning' based on the thickness of the slats and the space between them.

I'd listen for a while as it is before doing anything. Once you've had them in place a few weeks, go back in and pull them out of the room and see how you like the bass and also the upper mids and highs. I personally think you'll not like either.

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post #45 of 118 Old 02-09-09, 07:09 AM
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Re: Klipschorns and Room Treatments

I would try without using the auto-setup for at least a few days also just to get familiar with the system, group delay, timbre (which some are sensitive to), and you might check some SPL readings to see what average level the system is at to get an idea. 92dB is about a very comfortable listening level for music in my room where as this used to be much higher before I could hear detail. If you have a complete series of a television show on disc I have found this works really well to become familiar with changes and in a much shorter time span.

Last edited by thewire; 02-09-09 at 07:18 AM.
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post #46 of 118 Old 02-09-09, 12:24 PM Thread Starter
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Re: Klipschorns and Room Treatments

About the only thing I am planning now is to try the R30 batts above the suspended ceiling and only a few of them at first to see if anything positive happens. I likely will try areas away from the corners since the corners are where 4 of the traps are now.

Over the Christmas holidays I took the acoustical tiles down and replaced them with 5/8" sheetrock tiles (for several reasons). I suppose I need to put the acoustical tiles back in to use the R30.

Bryan: Is there any benefit to using 703 or 705 instead of the acoustical tiles? Lots more money.... Also, I assume that I should get the faced R30 and put it paper side down, right?
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post #47 of 118 Old 02-09-09, 04:25 PM
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Re: Klipschorns and Room Treatments

Use the acoustical tiles and use standard R-30 insulation. No need to do 703 or 705

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post #48 of 118 Old 02-09-09, 09:04 PM
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Re: Klipschorns and Room Treatments

Quote:
Be very careful with covering our panels. If you put anything on them, you're going to kill the membrane effect on the front. Also, even though it's not sealed behind, you can still get some 'tuning' based on the thickness of the slats and the space between them.
I hadn't considered the membranes. I guess that means you are getting some of the mids/highs reflected back already. Bryan, your comments about tuning are also most interesting. More stuff to file away for future consideration.
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post #49 of 118 Old 02-10-09, 05:55 AM
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Re: Klipschorns and Room Treatments

In general, once you get the distance behind a broadband absorber more than the thickness of the absorber, you start getting a little 'hump' in the absorption based on the relationship of that distance (front of panel to wall behind) and the 1/4 wavelength of the frequency where you'll get the hump.

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post #50 of 118 Old 02-13-09, 04:24 AM Thread Starter
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Re: Klipschorns and Room Treatments

Bryan: In planning for doing the ceiling around the edges of the room, is L/R symmetry important? I am guessing not since they would be somewhat distant from the speakers, except for perhaps the side surrounds. I may pick up some R30 this weekend and get a start.
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