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#254156 - 03/28/09 07:28 PM Re: I need some help with room analysis and treatm [Re: davekro]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10398
Loc: Calgary, Alberta
You can run some RCA terminated coax for as long as you want to enable using your desktop.

I have been using an external creative labs sound card with great success. The initial calibration check of the SC comes back dead flat compared to my PC on board SC which takes a nose dive at 70hz and lower.

http://www.soundblaster.com/products/product.asp?category=1&subcategory=208&product=17751
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Jason
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#254160 - 03/28/09 07:37 PM Re: I need some help with room analysis and treatm [Re: jakewash]
tomtuttle Offline
axiomite

Registered: 06/20/03
Posts: 8271
Loc: Tacoma
Jay, are you using that Creative card with REW?

I have the older soundblaster 24 bit external but I just could not get it to work under Vista. REW with that card was butter under XP though. I don't think REW is all that difficult to use.
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#254163 - 03/28/09 07:45 PM Re: I need some help with room analysis and treatm [Re: tomtuttle]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10398
Loc: Calgary, Alberta
I am using/used that card with REW, but I have yet to try it with Vista, that was my next thing to do, but I am not doing anything these days \:\(
_________________________
Jason
-----------------
TTTHHHPPPPPTTTT!

My HT

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#254231 - 03/29/09 02:24 PM Re: I need some help with room analysis and treatm [Re: jakewash]
michael_d Offline
connoisseur

Registered: 07/23/04
Posts: 3884
Loc: Up yonder
Rick wanted pictures….

I ended up using some ½” birch plywood for the frame. No particular reason other than that’s what I had on hand. I just cut rabbits with the table saw and dado blade, then used ¼” narrow crown staples and glue. I wanted the traps to fit snug, but be removable. That’s why they are 45’d. As luck would have it, receptacles are in the way, so I had to cut windows in the frame for those.





I cut the insulation with the tables saw. It cut easier than I thought it would. The fibers didn’t go all over the place either. I used 2” thick un-faced and 2” thick foil faced.




After the frames were stuffed with insulation, I rapped them in black felt. The felt does two things, 1) keeps the fibers contained 2) softens the corners for the fabric.



I had to make some stands for the traps that would keep them from toppling over.



For fabric, I ended up with the same material that Carharts are made of.




I got lucky with the color. The traps match my room color exactly. I couldn't have planned that if I tried.





I had to remove the surround back speakers. I was useing M3's. I have some QS8's on order. I plan to move the surround speakers toward the front of the room two feet as well. I screwed up when I ran the wire for those, placing them too far back, plus, the window and door are right where I want the speakers to be. I have some Axiom ceiling brackets on order and will hang the Q's.


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#254234 - 03/29/09 03:09 PM Re: I need some help with room analysis and treatm [Re: michael_d]
CV Offline
Founder, Axiom Upgrade Club
shareholder in the making

Registered: 07/20/06
Posts: 11160
Loc: Richland, WA, USA
Great work! Your room is definitely one of the ones I'm jealous of. That's amazing about the color.
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#254241 - 03/29/09 04:33 PM Re: I need some help with room analysis and treatm [Re: CV]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13321
Loc: Iowa
Mike, looks awesome man! Your a better craftsmen than I hands down. \:\)
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#254247 - 03/29/09 05:33 PM Re: I need some help with room analysis and treatm [Re: SirQuack]
Zimm Offline
connoisseur

Registered: 12/08/08
Posts: 1361
Loc: New Orleans
That's a pro job. Looks fantastic. But you should really get some wood tools and a shop, looks like you are kinda winging it in the tool department.
;\)
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Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire

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#254250 - 03/29/09 05:50 PM Re: I need some help with room analysis and treatm [Re: Zimm]
onn Offline
aficionado

Registered: 02/28/08
Posts: 900
Loc: Edmonton Alberta
That looks great. Are you for hire? \:D \:\)
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#254259 - 03/29/09 06:26 PM Re: I need some help with room analysis and treatm [Re: onn]
michael_d Offline
connoisseur

Registered: 07/23/04
Posts: 3884
Loc: Up yonder
LOL...

The traps definitely helped. I just re-calibrated things and one notable difference was that I had to lower the sub's volume control knob 25%. The 3808 had it as low as it could go (-12 db), but the LFE was still 8 - 10 db too high.

Bass in general seams tighter and more enveloping. Even my 15 year old son commented that bass sounds louder and he normally doesn’t notice things like that.

I have also found a new appreciation for just how well the QS8’s perform. With the M3 surround backs disconnected and just running 5.1, I’m doubting the need, or even felling much desire to go back to 7.1.
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#254264 - 03/29/09 07:21 PM Re: I need some help with room analysis and treatm [Re: michael_d]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13321
Loc: Iowa
Chalk another one up to the "Bass Traps and Acoustic Panels" do make a difference club. \:\)
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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