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In Reply to: RE: Bi/Tri/Sub/Subs posted by Inmate51 on May 29, 2017 at 16:09:33
I think you're right.
With STEREO subs, a higher crossover point can be sustained. Maybe it'd even be of further benefit to imaging / stage width?Trouble in this case is my awful room, which is 8 sided, very asymmetric AND has a peaked ceiling of about 11 feet. I'd gues maybe 5000 cubic feet or so.
The sub when located on the LEFT side (facing speakers from listening position) turned my den into a helmholtz of sheer boominess. The left side was intened to take advantage of being nearer a corner.
The sub ended up on the right side, oriented parallel to a wall and away from corners. Indeed, the sub is near to the hallway to the back of the house. That location is MUCHO better. The entry to the den in question is on a 45 to the main walls in the LR, and at a 90 to the wall from hell, which is at a 45 to the plane of the speakers, 6 feet wide and 10feet tall. Can you spell absorption?I also use OPTIC connection in several places where single ended would do as well. This avoids ANY potential for RFI pickup.
Too much is never enough
Edits: 05/29/17Follow Ups:
A-b-s-o-r-p-t-i-o-n.
Absorption.
;)
With the ONE addition I made many years ago, room ain't half bad. I put a thickish woolen tapestry on the FAR wall to tame an echo. It is spaced 2" from the wall.
Sitting position is unfortunately near the mid-point of the LONG dimension of the room, but not QUITE. Bass with the sub on the right side seems very well distributed now and even. Sticking my head in the various corners doesn't seem to show any 'peaks'.
I've got plans for diffusors to go Behind the speakers where they'll do the most good.
Maybe I should send off for some OC703 and build something for the Big Wall, which is at a 45 to the plane of the speakers and not THAT far away.
Too much is never enough
Sorry if I was not clear. I was replying to your question: "Can you spell absorption?"
It was supposed to be a joke. :)
Regarding your woolen rug on the wall... I'd have to look it up, but I think you're getting most of your absorption between about 125/200 Hz and about 500 Hz. I'm not sure if that's what you want. Check out "Master Handbook of Acoustics" and "Acoustical Designing In Architecture". They both have very good guidelines for absorbers. Also, the ASTM has a lot of this kind of info. Lastly, for the cost of a not extremely expensive turntable/cartridge, you can get a real acoustician to come in to evaluate your room.
:)
If I had extra coin? I'd be tempted to get an ISF guy here to do a TV tuneup.
The new generation of OLED sets are nothing short of Spectacular. The new '7' series are supposed to be better. I have a 2016 'B6' which blows me away. No 3D, which makes me dizzy with those horrible glasses and only OK source material.
I'd make 2'x4' panels using OC703 or similar in 2" thickness. 2x framing and a couple cross braces would provide anti-racking while choice of 'grill cloth' for acoustic transparency and appearance. But I would probably make DIFFUSORS first,
Too much is never enough
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