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n737nc
January 3rd, 2008, 5:12 AM
I never though that moving a sub 6 feet could make so much difference. I'm running 3 subs at the moment, and decided to play with them to find the best location for each.

Here is the original location of the subs...

http://www.dfwstangs.net/coppermine/albums/userpics/10253/house%7E1.jpg


Now with the subs in the above locations, here is the reading that I got from them(notice the HUGE dip around 55hz)...
http://www.dfwstangs.net/coppermine/albums/userpics/10253/1st_attempt.jpg
n737nc
January 3rd, 2008, 5:14 AM
After talking with Pete, he and Dr HSU recomended moving the MBM next to the HO. Here is the diagram showing the new location...

http://www.dfwstangs.net/coppermine/albums/userpics/10253/house3.jpg


And here are the new readings with the subs in the above locations...
http://www.dfwstangs.net/coppermine/albums/userpics/10253/3rd_attempt%7E0.jpg
Pete_Hsu
January 3rd, 2008, 10:15 AM
Nick, thanks for sharing those graphs! What are your subjective impressions when comparing the two different setups?
n737nc
January 3rd, 2008, 10:55 AM
You could definately tell a improvement. Before the move, there was a lot of bass and it sounded good. But after the move, the bass was so much smoother and started punching me in the chest, face, legs :D

It picked up quite a bit in the mid range with the move, and you could feel the difference.
cacihome
January 4th, 2008, 7:29 AM
You could definately tell a improvement. Before the move, there was a lot of bass and it sounded good. But after the move, the bass was so much smoother and started punching me in the chest, face, legs :D

It picked up quite a bit in the mid range with the move, and you could feel the difference.


What is the name of that software that gives you the room response? Where I can get it?
mojave
January 4th, 2008, 7:46 AM
Room Equalization Wizard (http://www.hometheatershack.com/roomeq/)
cacihome
January 4th, 2008, 8:08 AM
Room Equalization Wizard (http://www.hometheatershack.com/roomeq/)


I owe you, thanks...
mojave
January 4th, 2008, 10:03 AM
Nick,

I just saw your thread at Home Theater Shack regarding the SMS-1 and DCX2496. It looks like you ended up purchasing the DSP1124P. Did you realize that this only has two outputs? You will not be able to use it with one of your subs. Below is my setup with a DCX2496.
n737nc
January 4th, 2008, 10:09 AM
I'm still not sure if I'm keeping all 3 subs or not yet.
And if I do keep all three, what's the problem with splitting one of the outputs?
mojave
January 4th, 2008, 11:44 AM
You don't want to split the output because the equalization won't be the same for two different subs. Each sub needs to be equalized by itself based on its interaction with the room.
n737nc
January 4th, 2008, 12:29 PM
You don't want to split the output because the equalization won't be the same for two different subs. Each sub needs to be equalized by itself based on its interaction with the room.


Here's my thinking,

Running the HO and the MBM on the same output. Since the HO is cut off above 50hz, and the MBM takes over from 50hz on up. Why should I not treat it as 1 sub? Nothing is being crossed over, and they are not sharing any frequency's.

Is my thinking wrong?

I have not opened the 1124P yet, so sending it back is still an option. I'm just trying to keep my life simple since I am so new to all of this EQ stuff.

Nick
mojave
January 4th, 2008, 1:39 PM
I think that combining the HO and MBM would actually work, especially since you have them located right next to each other. I think you are right that you could treat them as one sub.
n737nc
January 4th, 2008, 4:51 PM
I think that combining the HO and MBM would actually work, especially since you have them located right next to each other. I think you are right that you could treat them as one sub.


I hope so :D

We'll see in a few days. Trying to get some comments on my graph's over at the shack.