Subwoofer Placement - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 09-09-2019, 12:28 PM - Thread Starter
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Subwoofer Placement

I know this is all subjective, but how much detriment is there in running a single sub (V1811 or Monolith THX 15, etc) behind your listening area? I don't have room for 2 subs and the size of my front wall really doesn't have room to put it up front so would need to put it behind the seating area. Room is 12x24, sub would be about 18' from front of room right behind seating. Still trying to decide what front towers and centers I want to run, curious about the sub in the back.
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post #2 of 5 Old 09-09-2019, 12:40 PM
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Originally Posted by flyinrazrback View Post
I know this is all subjective, but how much detriment is there in running a single sub (V1811 or Monolith THX 15, etc) behind your listening area? I don't have room for 2 subs and the size of my front wall really doesn't have room to put it up front so would need to put it behind the seating area. Room is 12x24, sub would be about 18' from front of room right behind seating. Still trying to decide what front towers and centers I want to run, curious about the sub in the back.
If your MLP and sub are at least at the 2/3 of the long wall and there are a few placement options to move your sub around to try and find the best location to give the best frequency coverage at you MLP then it should work pretty well. One factor that can come into play is localisation if you set your mains X-overs to high and i'm guessing it will be a bit more challenging blending the bass in with the front sound stage, but thats "guessing" as i havent set up any of my systems that way.

I've read many posts of enthusiasts that have been quite happy with this set up however many of them are more experienced than myself in fine tuning.

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post #3 of 5 Old 09-09-2019, 01:01 PM
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Originally Posted by indebtbassfreak View Post
If your MLP and sub are at least at the 2/3 of the long wall and there are a few placement options to move your sub around to try and find the best location to give the best frequency coverage at you MLP then it should work pretty well. One factor that can come into play is localisation if you set your mains X-overs to high and i'm guessing it will be a bit more challenging blending the bass in with the front sound stage, but thats "guessing" as i havent set up any of my systems that way.

I've read many posts of enthusiasts that have been quite happy with this set up however many of them are more experienced than myself in fine tuning.
I had mine behind my couch about 15 ft from front wall in a 19' long x 13' wide room. it sounded almost same as in front corner and i couldn't really tell much difference. i ran rew with a umik1 mic and this confirmed what heard that wan't much difference in response with my monolith 15, whether it was in front corner or behind couch. every room is different though, but you'd probably be fine but only one way to find out i guess.
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post #4 of 5 Old 09-09-2019, 02:12 PM - Thread Starter
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Originally Posted by golden78 View Post
Quote:
Originally Posted by indebtbassfreak View Post
If your MLP and sub are at least at the 2/3 of the long wall and there are a few placement options to move your sub around to try and find the best location to give the best frequency coverage at you MLP then it should work pretty well. One factor that can come into play is localisation if you set your mains X-overs to high and i'm guessing it will be a bit more challenging blending the bass in with the front sound stage, but thats "guessing" as i havent set up any of my systems that way.

I've read many posts of enthusiasts that have been quite happy with this set up however many of them are more experienced than myself in fine tuning.
I had mine behind my couch about 15 ft from front wall in a 19' long x 13' wide room. it sounded almost same as in front corner and i couldn't really tell much difference. i ran rew with a umik1 mic and this confirmed what heard that wan't much difference in response with my monolith 15, whether it was in front corner or behind couch. every room is different though, but you'd probably be fine but only one way to find out i guess.
Awesome, thanks for the info!
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post #5 of 5 Old 09-09-2019, 04:06 PM
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Quote:
Originally Posted by flyinrazrback View Post
I know this is all subjective, but how much detriment is there in running a single sub (V1811 or Monolith THX 15, etc) behind your listening area? I don't have room for 2 subs and the size of my front wall really doesn't have room to put it up front so would need to put it behind the seating area. Room is 12x24, sub would be about 18' from front of room right behind seating. Still trying to decide what front towers and centers I want to run, curious about the sub in the back.
When positioning subwoofers behind you, the biggest concern will be localization. As long as the crossover is kept to a reasonable level, you should be fine (<90/100 hz). I would much rather have a subwoofer behind me with a good frequency response with no nulls than on the front wall with a jagged response and bad nulls.

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