PTAaron's Movie Room/Game Room/Bar - Page 20 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #191 of 436 Old 05-10-12, 11:03 PM
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Re: PTAaron's Movie Room/Game Room/Bar

- those are some fine runners legs!

And, as far as the ceiling,......... we called it!


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post #192 of 436 Old 05-10-12, 11:08 PM Thread Starter
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LOL! Yeah... A little white and hard to miss

Yeah - you guys definitely called it!


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post #193 of 436 Old 05-11-12, 05:26 PM
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Re: PTAaron's Movie Room/Game Room/Bar

Great picture of a great performance Aaron!

And what can I say about the ceiling...?


PS Audio Marantz Oppo ALR/Jordan Velodyne inakustik Furutech JVC Stewart

Chamber of Dreams

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post #194 of 436 Old 05-12-12, 10:53 PM Thread Starter
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Re: PTAaron's Movie Room/Game Room/Bar

Haha! Yeah yeah...
I'm looking into my options... I've read that painting these tiles can be a real PITA, so I was looking at what else might be out there in the "cheap" price range.


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post #195 of 436 Old 05-12-12, 11:12 PM Thread Starter
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Re: PTAaron's Movie Room/Game Room/Bar

Okay, I had a chance to run REW using my new setup.
My previous measurements were done using my desktop computer with my Radio Shack SPL meter as the microphone - plugging directly into the computer's soundcard which I had calibrated using REW. These were also done when one of the walls was covered completely in mirrors. The measurements were also taken with the signal sent directly to the sub. Those measurements were posted earlier in the thread.

Current measurements were taken today using a Dayton EMM-6 mic, ART USB Dual Pre soundcard/preamp, and my under $40 eBay purchased laptop. This time the signal goes into the analog front port of my Harman Kardon AVR3600 with it set to 2 channel stereo mode and the crossover for the sub set to 80Hz. For the purposes of what I am doing here - I only care about measurements from about 20-80hz, but I am posting up graphs that run up to 200hz.
I found that the current graphs do not look quite the same as the old graphs, I am not sure if I should attribute that to the new equipment, or the slight changes in the room.

Anyway - SPL graphs first:

Sub in the "original" location - found a shockingly large hole around 70hz that wasn't there before, and the previous hole at 40 hz is not there.


Sub moved to the front left corner of the room - which is the position I like the most aesthetically speaking... looks like something that can be EQ'd pretty easily using my Feedback Destroyer Pro:


Sub moved to a position under the edge of the TV - between the left front speaker and the TV, which I kind of like because it gives me the freedom to spread the right/left speakers out a bit more. Surprisingly looks almost exactly the same as the front corner graph did:


Based on the above - it seems like I should be just fine putting the sub in the front left corner, then using my Feedback Destroyer to cut down some peaks.

Here are waterfalls of the above:






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post #196 of 436 Old 05-12-12, 11:45 PM Thread Starter
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Re: PTAaron's Movie Room/Game Room/Bar

Some pictures of my testing setup:


Mic taped to the SPL to make sure that the SPL readings were accurate where the mic was placed:


ART USB dual pre:


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post #197 of 436 Old 05-15-12, 02:31 AM Thread Starter
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Hooked my BFD into the signal chain tonight just to import a test filter set and see what it did...
It took me a while because for some reason my DSP 1224 wasn't saving the filter settings when I tried importing them via MIDI. I ended up manually inputting all of the filters - it was pretty simple.
I just need to rerun my speaker level settings and then redo some sweeps to see how it looks ... And of course see how it sounds when it isn't 2am with my wife asleep upstairs!

Only negative comment is that the lights one the DSP 1224p are bright and annoying. They are very visible through the curtain that is over the front of my equipment shelves.


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post #198 of 436 Old 05-15-12, 08:41 AM
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Re: PTAaron's Movie Room/Game Room/Bar

I saw your pre BFD measurements - really interested to see the ones after EQing.......


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post #199 of 436 Old 05-15-12, 12:14 PM Thread Starter
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Re: PTAaron's Movie Room/Game Room/Bar

Quote:
ALMFamily wrote: View Post
I saw your pre BFD measurements - really interested to see the ones after EQing.......
Me too! I won't be able to do them tonight - we have friends coming over for dinner, drinks, and pool, so hopefully Wednesday night I can run some sweeps. Honestly it doesn't take long to do the actual testing, setting everything up takes up the most time!

I'm hoping there is a way to turn off the filter indicator lights on the BFD - I don't want to have to use electrical tape over them!


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post #200 of 436 Old 05-15-12, 12:43 PM
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Re: PTAaron's Movie Room/Game Room/Bar

What about sewing a piece of black velvet to the inside of the curtain where it would cover that spot? Just in case you can't get them off at the BFD. Just a thought.......


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