Dual Sub Placement - Midwall and Front Corner? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 06-24-2020, 06:20 PM - Thread Starter
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Dual Sub Placement - Midwall and Front Corner?

Hi all,

I'm planning to get dual subwoofers in the near future and am researching ideal subwoofer placement.

Attached are some photos of the listening space to give some perspective.

My thought at the moment is to try placing one sub next to the left bookshelf speaker to position it midwall and the second sub would be where the current Klipsch sub is sitting. Has anyone done this type of positioning before with any success? Because the right side of the room is glass doors, having both subs midwall is a no go.

Another option is to place the sub at the opposite corner of the existing sub, but I'm not sure if that's ideal with the bookshelf speaker being basically right in front of it.

Having both subs in the front is another option but I've noticed annoying resonances in the baseboard heater when I had my sub there before. Those might be eliminated if I use some rubber feet to elevate and decouple the sub from the floor, but no way to be sure until I try.
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post #2 of 5 Old 06-24-2020, 07:27 PM
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Generally speaking, opposing corners tend to work well.

I'd suggest downloading REW (Room EQ Wizard), and use the room mode simulator to play with positioning of subwoofers to see where you'll get the best response.

Then, get yourself a calibrated mic, like a UMIK-1, and then you can measure actual response in room to verify your sub positioning.
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MiniDSP 2x4HD, UMIK-1, REW... The holy trinity for running multiple subs.

Espon 5050UB, 120" screen, AppleTV4k, Harmony Elite, Sony UBP-X700, Pioneer Elite VSX-LX504, Outlaw 7000x, MiniDSP 2x4HD, 2x HSU TN1220HO subs, 2x HSU VTF-15H Mk2 subs, Defintive Technology speakers: CLR2002 x3 for FR, C, FL; BP2x SR & SL; BP1.2x SBL & SBR; ProMonitor 800 x4 height speakers.
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post #3 of 5 Old 06-27-2020, 03:49 PM
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Keep your options open. Subs may end up in places in the room you least expected. Also, do not assume that the best place for your old subs will also be the best place for your new subs. Start from scratch with placement.

Here are a few possibilities, but don't limit yourself to only these. Try them first, but if they don't work, then you'll have to try other options.


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post #4 of 5 Old 06-27-2020, 09:05 PM
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If you are like me and are not satisfied until you know you have the best possible sound you need to get REW. Without it you will find yourself always questioning whether there are better spots to place your subs. Every room is different and no one can truly tell you what will work. You can read about placement options that tend to have more success then others but there is absolutely no question that REW is the way to go. I assume you have a laptop so the only investment is buying a UMIK. You can get them anywhere between $50 used and less then $100 new. I suggest getting a new one and just learning how to set it up on your laptop. It may seem overwhelming by looking at the guide and the forums but with what you’re trying to do in placing your subs you can simply measure FR and know you have the best placement and sit back without questioning “ could this be placed better” and enjoy. You can do all this in a short amount of time.
Good luck

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post #5 of 5 Old 07-07-2020, 09:34 AM
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The only way to know is to measure. I tried all the recommended placement locations and yes some were better than others. However, after measuring they ended up in a completly different location.

For my room 1 sub is on the right wall 1/4 up and the other is on the left wall 3/4 way up.

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