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Forum: Dedicated Theater Design & Construction   09-08-2014, 07:19 AM
Replies: 1,603
Views: 127,579
Posted By KevinG
Just to add to my previous point about the SnS...

Just to add to my previous point about the SnS working if you sandwich it between layers of fabric...

Yesterday I finished my first treatment for my back wall. Up to now, all panels that I built...
Forum: Dedicated Theater Design & Construction   09-03-2014, 07:20 AM
Replies: 1,603
Views: 127,579
Posted By KevinG
Just a counter point. I built all of my wall...

Just a counter point. I built all of my wall treatments from Roxul AFB (which is effectively identical to the stuff you can get from homedepot/lowes).

It is not as rigid as OC703, but it is also...
Forum: Audio theory, Setup and Chat   08-27-2014, 06:22 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
When I was playing with this exact same thing...

When I was playing with this exact same thing (trying to figure out why REW's volume was so different from what I expected) I bumped into the following. I only bring it up here because this list...
Forum: Audio theory, Setup and Chat   07-31-2014, 01:17 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
Can we at least agree that I saw a huge...

Can we at least agree that I saw a huge improvement once the ceiling panels were added? ;-)
Forum: Audio theory, Setup and Chat   07-30-2014, 05:56 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
Hmm, you are right. I got confused by the...

Hmm, you are right.

I got confused by the "Envelope (ETC)" at the bottom of the "Filtered IR" window.

Oops...back to the drawing board.

Actually, the real Impulse Envelope (ETC) graphs show...
Forum: Audio theory, Setup and Chat   07-30-2014, 04:05 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
As promised, here are my ETC differences. I...

As promised, here are my ETC differences. I haven't done any Audyssey measurements recently. As I said, I'm focusing mostly on ETC, not SPL, for now... I had massive slap echo (clapping hands, or...
Forum: Audio theory, Setup and Chat   07-30-2014, 11:49 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Very nice. Is "before" without room correction,...

Very nice. Is "before" without room correction, and after with room correction? (meaning electronic correction, not treatments).

I plan on posting before (without Audyssey), after (without...
Forum: Audio theory, Setup and Chat   07-30-2014, 10:31 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Yep, still going...just a bit slower now. :-) I...

Yep, still going...just a bit slower now. :-) I have 2 more "wall panels" mostly built, but not sure where to put them (if anywhere).

I have mental plans for how to build the rear wall panels,...
Forum: Audio theory, Setup and Chat   07-30-2014, 07:32 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
I haven't done my back wall yet (that's next),...

I haven't done my back wall yet (that's next), but I did see a huge improvement when my ceiling panels went up.

Pictures here of the entire process so far:
http://imgur.com/a/YOLoo

I suspect...
Forum: Receivers, Amps, and Processors   07-09-2014, 12:07 PM
Replies: 72,387
Views: 6,099,126
Posted By KevinG
I'm finally a one percenter! ;) Edit: Darn,...

I'm finally a one percenter! ;)

Edit: Darn, I misread that as 99% of everybody here...instead of 99% sure. Oh well.
Forum: Receivers, Amps, and Processors   07-09-2014, 06:05 AM
Replies: 72,387
Views: 6,099,126
Posted By KevinG
Wait. Someone cares about 30khz? I haven't...

Wait. Someone cares about 30khz? I haven't heard a 20khz tone in probably 20 years! Can *any* human hear 30khz?

Should I be disappointed that my projector isn't putting out infrared light? ...
Forum: Audio theory, Setup and Chat   06-24-2014, 06:28 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Yes, I've seen that. It is interesting. ...

Yes, I've seen that. It is interesting.

However, there's also this:

http://www.gikacoustics.com/diy-acoustic-panel-frames/

which seems to indicate that the difference is very minor. In my...
Forum: Audio theory, Setup and Chat   06-24-2014, 06:05 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Thanks! It's actually just an L bracket screwed...

Thanks! It's actually just an L bracket screwed to a purpose built "stub" that comes out of the frame. It came silver, I just hit it with the same black spray paint that I am using on the wooden...
Forum: Audio theory, Setup and Chat   06-24-2014, 05:20 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
My first ceiling panel is done. Taking the...

My first ceiling panel is done. Taking the advice here, I went 2x the size I was planning. When it was done, I realized that the layout of the lights in the room allows me to put 4 of these up,...
Forum: Audio theory, Setup and Chat   06-20-2014, 12:04 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
Understood.

Understood.
Forum: Audio theory, Setup and Chat   06-20-2014, 11:57 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Okay, fair enough. I'll consider the materials...

Okay, fair enough. I'll consider the materials that I've already purchased to be sunk costs, finish building what I can, and consider it "as good as it gets."
Forum: Audio theory, Setup and Chat   06-20-2014, 11:45 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Understood. But that's the one thing that is off...

Understood. But that's the one thing that is off limits. The room must stay the way it is (for lots of reasons).

So, to answer your questions:
1) As much as possible, given the current room...
Forum: Audio theory, Setup and Chat   06-20-2014, 10:25 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
More pics are here: http://imgur.com/a/YOLoo ...

More pics are here: http://imgur.com/a/YOLoo

Happy to provide more if they can be of any assistance.

I can remove the throw pillows from the couch & loveseat, but the back of the couch that...
Forum: Audio theory, Setup and Chat   06-20-2014, 04:17 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Excellent, Thanks for all the advice. ...

Excellent,

Thanks for all the advice. Without knowing the name "blocking method", last night I realized that I should suspend a panel right over the speaker to figure out exactly what the...
Forum: Audio theory, Setup and Chat   06-19-2014, 05:46 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
Tonight's efforts: Mdat file: ...

Tonight's efforts:

Mdat file:
https://drive.google.com/file/d/0B-GYLbiDn8J8SVU4Q19WUVBjN28/edit?usp=sharing

Description of what I did.

Took all 3 traps off the wall, move sub out of the...
Forum: Audio theory, Setup and Chat   06-19-2014, 12:11 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
I wasn't able to see anything that really shows...

I wasn't able to see anything that really shows how they are mounted. Can you point it out, or give me a quick overview?

Thanks.
Forum: Audio theory, Setup and Chat   06-19-2014, 12:05 PM
Replies: 11,689
Views: 304,606
Posted By KevinG
Ah, I didn't look at the waterfalls at all. I'll...

Ah, I didn't look at the waterfalls at all. I'll do so tonight.

I'm a bit surprised that there was any effect on the center speaker. The first reflection point for that speaker on my left wall...
Forum: Audio theory, Setup and Chat   06-19-2014, 09:42 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
I already have 2 bundles (16 sheets) of the...

I already have 2 bundles (16 sheets) of the roxul. But that doesn't matter much, since pink fluffy is so inexpensive. What would you consider "rather large"? I was planning on 3 or 4 2x4x8" deep...
Forum: Audio theory, Setup and Chat   06-19-2014, 06:38 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
I looked around a bit, and couldn't see how to...

I looked around a bit, and couldn't see how to look at "sliced ETC", so I'll go off and google that in a bit. Knowing the frequency should help. The floor is carpeted, but it is rubber padding (for...
Forum: Audio theory, Setup and Chat   06-19-2014, 04:06 AM
Replies: 11,689
Views: 304,606
Posted By KevinG
Excellent. I will be playing around some more...

Excellent. I will be playing around some more tonight. Thanks for the assistance!

Any chance the one at 2.97ms is coming from the floor?
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