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Re: Another look at multiple subwoofer placement
jakeman #201918 03/26/08 01:21 AM
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Well crap- I plan on getting a 600 and was going to put it in the front right corner- then put my 500 in the back left corner behind the love seat...

Now if I decide it sounds best with both up front my subs won't match! maybe I should get a 500 instead... otherwise I may end up doing a 'trade up' to get dual 600's!


-David
Re: Another look at multiple subwoofer placement
terzaghi #201930 03/26/08 01:52 AM
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 Originally Posted By: terzaghi
otherwise I may end up doing a 'trade up' to get dual 600's!


That sounds like an upshot, not a problem. ;\)


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Re: Another look at multiple subwoofer placement
terzaghi #201952 03/26/08 03:47 AM
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 Originally Posted By: terzaghi
Well crap- I plan on getting a 600 and was going to put it in the front right corner- then put my 500 in the back left corner behind the love seat...

Now if I decide it sounds best with both up front my subs won't match! maybe I should get a 500 instead... otherwise I may end up doing a 'trade up' to get dual 600's!


Yes an upshot first class problem. \:\)


John
Re: Another look at multiple subwoofer placement
jakeman #201961 03/26/08 05:12 AM
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Yes, that's an interesting article that's been referenced here in past years, for example here in discussing forward vs down-firing subs. The author's points about the advantages of corner placement of a single sub seem very solid, but his suggestion about placing two subs along the front wall is a bit shakier. Although he correctly points out that the room mode in that one horizontal direction would be cancelled, other positions aren't discussed which involve placement at nulls and opposite phase points, e.g. the midwall front and back, or mid side walls, or diagonally opposite corners, which are among the best positions measured in the Harman paper.


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Enjoy the music, not the equipment.


Re: Another look at multiple subwoofer placement
JohnK #202018 03/26/08 05:04 PM
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The Harman paper did take the concept further. Nevertheless, multiple subs up front has alot going for it. Anytime I have heard subs with upfront placement it sounded very good, though the visual impact may have been a factor. I like his idea that "reflections from the side walls will continue, creating a line source of infinite length". It helps explain why that placement always sounded good.

With duals in the corners, its more hit and miss than suggested in Ohman's article. It can contribute to boomy bass from reinforced peaks, especially in smaller or square rooms.


John
Re: Another look at multiple subwoofer placement
jakeman #202160 03/27/08 04:02 PM
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 Originally Posted By: jakeman
The Harman paper did take the concept further. Nevertheless, multiple subs up front has alot going for it. Anytime I have heard subs with upfront placement it sounded very good, though the visual impact may have been a factor. I like his idea that "reflections from the side walls will continue, creating a line source of infinite length". It helps explain why that placement always sounded good.

With duals in the corners, its more hit and miss than suggested in Ohman's article. It can contribute to boomy bass from reinforced peaks, especially in smaller or square rooms.


I agree completely with this. Since corner placement increases SPL for the room modes, and is not uniform accross the full frequency range for the sub. You get more SPL at the expense of flatness, generally- but each room and sub combo is different so you just have to experiment. Randy will vouch for this ;\)


-Dave

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Re: Another look at multiple subwoofer placement
dllewel #202166 03/27/08 05:12 PM
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My 600 sounded too boomy in every corner I tried. 1/3 of the way down the wall worked best for my room.


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Re: Another look at multiple subwoofer placement
Mojo #202174 03/27/08 06:20 PM
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I'm terrified about what the EP350 is going to sound like. I can only put it in a corner...


I am the Doctor, and THIS... is my SPOON!
Re: Another look at multiple subwoofer placement
Ken.C #202177 03/27/08 07:03 PM
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Then it might not be for you. You should send it to me as I have no fear of this animal and can raise it up to be a fine young sub that you will be free to visit any time you like.


With great power comes Awesome irresponsibility.
Re: Another look at multiple subwoofer placement
Murph #202178 03/27/08 07:04 PM
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Uh hunh. I don't think so.


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