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#144916 - 08/07/06 10:30 AM Re: Room Acoustics [Re: F107plus5]
littleb Offline
connoisseur

Registered: 08/03/03
Posts: 1235
Loc: Moorhead, Minnesota/US
In honor of my old friend, Emily Litella, I would like to know why you people are talking about trapping bass??? I believe that is illegal in most states, and furthermore, you should leave those poor little fishies alone. They've got enough to contend with, with all those hooks and such.

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#144917 - 08/07/06 11:45 AM Re: Room Acoustics [Re: littleb]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13341
Loc: Iowa
Down here in Iowaaaaa when farm ponds get over populated, we like to trap them bass and move them to better locations.
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#144918 - 08/09/06 11:04 AM Re: Room Acoustics [Re: bridgman]
F107plus5 Offline
connoisseur

Registered: 01/24/05
Posts: 2034
Loc: Fla. Orig. Mich.
Quote:

Since the original question was partly "what have you done to improve room acoustics" I think you should at least be mentioning the moose head




Ah...the moose head! Yeah, the Wife put the stop to that when I wanted to mount the head down at the fireplace opening level where it would do a better job reflecting the sounds between the speakers and our ears, rather than up above the mantle. I was really out-voted though when I asked if she would upholster the antlers with an additional layer of sound absorbant antler-colored felt.

Yeah; she drew the line.

I have actually added a few absorbant items strategectly located around the room that helps some, plus did some final locating and dialing-in of the speakers, but if I really want to have a serious listening session, I still have to move my chair to the sweet spot a bit foreward and somewhat to my right. So it's not only the reflections, but the general inescapable layout of the room.

....at least I don't have to drag out the big pillows or place chairs on the couch to the side anymore!

I miss my old house!!! I could tell the color of the dresses on the back-up singers!

But yeah, a great room would be better than headphones, but the headphones are more obtainable, and give me a highly portable way to approximate my Axioms in the stereo mode!

And I did pick cans with my Axioms' sound as the goal! And they match quite well!!

I still wonder about the moose head though.
Rich.

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#144919 - 08/09/06 11:36 AM Re: Room Acoustics [Re: F107plus5]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13341
Loc: Iowa
You should get that moose head tested in a certified lab, I bet it would absorb down to 50hz or more.
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#144920 - 08/09/06 11:59 AM Re: Room Acoustics [Re: SirQuack]
F107plus5 Offline
connoisseur

Registered: 01/24/05
Posts: 2034
Loc: Fla. Orig. Mich.
Quote:

You should get that moose head tested in a certified lab, I bet it would absorb down to 50hz or more.




Yup, bet it would; but would it absorb the plates and other dinnerware the Wife would throw at me!!

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#144921 - 08/24/06 02:11 PM Re: Room Acoustics [Re: F107plus5]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
I am going to hijack this thread slightly...

The room that I am currently building has a door to the left of the screen.

uhhh. Let's say the screen is facing South, the door to the left of the screen is facing East. Make sense?

Between the door frame and the screen wall, there is about 3 inches or so. Instead of buying 2 bass traps, Would it be a plausable replacement if I bought 2 flat pannels and stuck them against the screen wall in each corner? (1 by the door and 1 on the other corner)

I could technically get 1 bass trap for the right hand corner, but being so I can't get on on the left hand side becuase of the door, it would look quite weird.

Do you guys think this is a viable option?

-Robb.
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#144922 - 08/24/06 02:20 PM Re: Room Acoustics [Re: Hutzal]
royce73 Offline
veteran

Registered: 04/20/05
Posts: 170
Loc: New Jersey
Quote:

I could technically get 1 bass trap for the right hand corner, but being so I can't get on on the left hand side becuase of the door, it would look quite weird.

Do you guys think this is a viable option?

-Robb.



Rob---

I would just go with the one trap in the corner. Putting the traps on the screen wall would not do much good as bass has a tendency to "gather" in the corners. Also, you want to position your accoustic panels so that they are the areas where sound reflects. I think there is very little sound reflection off to the sides of your screen.

As for the "look" - I would not worry about that. Most of us who do bass traping are more concerned about the effect rather than aesthetics. Besides, once you turn the lights off, you won't even notice your traps anyway. Get three traps and place the other two in your back corners - you will notice a difference.

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#144923 - 08/24/06 03:24 PM Re: Room Acoustics [Re: royce73]
Hutzal Offline
connoisseur

Registered: 07/26/06
Posts: 2102
Loc: Hollywood. (Canadian @ <3)
Just to clarify,

The panels would go in against the corners with the flat side being agaist the screen wall and the 3 inches of the side of the panel being against the corner.

I have alot of cloth furniture at the back of the room, I am also using QS8's right at the back of the room and I don't want to hinder their performance. I may or may not utilize traps at the back of the room. The only option would be to put 1 trap in each back corner underneith the wall mounted QS8's.

-Hutz
_________________________
Producer | Composer
www.robbhutzal.com

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#144924 - 08/24/06 03:42 PM Re: Room Acoustics [Re: Hutzal]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13341
Loc: Iowa
bass traps should be at least 4" thick, if your using something like owens corning rigid fiberglass 703 or similar product. Bass traps, normally built to be 2ft x 4ft in size should straddle the corners, this would include corners where walls/ceilings meet, but most people start with the main 4 corners of a room. FRZ (first reflection point) treatments normally are 2" thick, and as Royce stated should be placed in the reflection locations on the side walls and ceiling locations for your mains and center speakers. I had my son walk around the room with a small mirror while i was sitting in the primary listening location. Wherever you see the reflection of the tweeter is where a panel should be placed, centered vertically on the wall. In theory, you can't have enough bass traps, but you need to be reasonable.

An alternative to straddling bass traps in corners, is to use superchunks, they absorb much lower.


http://www.axiomaudio.com/boards/showflat.php?Cat=0&Number=144818&an=0&page=0#Post144818
_________________________
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M22-OWM22-VP100-Denon2805
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