My Atmos speaker placement

Discussion in 'Home Cinema Speakers' started by DodgeTheViper, Jul 17, 2016.

  1. DodgeTheViper

    DodgeTheViper
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    I've been increasingly thinking about this for a while. About 2-3 years ago i was having some construction work done at home which gave me the benefit of being able to install cables in the ceiling. Info on speaker placement was very vague at the time so i used the info available to help put the cables into place. As it now turns out, the cables aren't ideally where they should be. So a little compromise will no doubt force my decisions a little.

    Here's a few pics of were the cables are approximately. Approx 80cm in from the side walls. Front ones are 130cm in from the front wall and about the same from the back wall. There is a little extra on the cables, i think, so they could be moved a little.

    IMG_0406.JPG

    IMG_0407.JPG

    IMG_0408.JPG

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    IMG_0411.JPG

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    IMG_0415.JPG

    I could lower the side surrounds a little to create separation between base and ceiling. The same for the back surrounds, they could be lowered a little.

    Or, i could remove the back surrounds and go back to 5.1. Then install those speakers on ceiling right at the back, so being behind the seating. And leave the front Atmos locale were it is.

    I think it's the rear placement and config that needs sorting more than the front. I think i could get away with the fronts as is.

    Any thoughts anyone ?

    Cheers
     
    Last edited: Jul 17, 2016
  2. Rock Danger

    Rock Danger
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    What config are you trying to do? Above the sofa is top middle btw, lots of people think it's top front.

    You could drop the sides and rears down, scooch forward a foot with the sides, put an atmos pair behind you and a pair in front of you. I need to do pretty much the same thing, it's a bit tight back here, I just haven't been arsed.

    Imagine your sides being between your rear and front atmos if that helps.

    I haven't checked in a while but is top middle / top front a speaker assign option?
     
  3. DodgeTheViper

    DodgeTheViper
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    I don't know what I'm trying to do at the moment, just thinking out loud.

    Don't think i can move the side surrounds forward without digging out a load of plaster, and i don't see that happening. Id need to relay the cable and thats one thing thats going to cause crap loads of work. It's bad enough having to potentially move the cables in the ceiling by accessing from above.
     
  4. DodgeTheViper

    DodgeTheViper
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    @Rock Danger

    In hindsight, thats a good call on the side surrounds, i think i can move them forward a little. Maybe not a foot or so but at least forward a little. Trouble is, if i move them forward, i can't lower them . . . not enough cable in there.
     
  5. Rock Danger

    Rock Danger
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    I think due to speaker assign you can only do front height and top middle - there's just not enough room back there, you might have to even put the heights on either side of the pelmet too. In an ideal world the rears need to come down and the sides forward, down would be a start. Move yourself with the speakers of course.

    I need to come out a foot and and a bit, it does leave the outer side of my right tripole firing across an open bay, it is angled away from it, so should be ok.
     
  6. DodgeTheViper

    DodgeTheViper
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    mmm, so lower the sides and backs and were the cable is currently in the ceiling, leave that were it is. That will give Atmos placement just slightly forward of the seating and approx 130cm in from the front wall, all ceiling mounted.
     
  7. Rock Danger

    Rock Danger
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    I didn't see this pic. This is the same problem I have. I don't have a flat window, I have a bay. If you move that side a foot forward and down you could put something in the ceiling behind you. a foot out from the back wall.

    Or mount them just above your knees as top middles and use front heights on some sort of brackets either side of the pelmet and the width of you L+R apart. I think if you put them on the wall the might fire into the pelmet.

    Or on the front wall just below the pelmet above that THX sign.

    I think top rear top front is the best however if you can swing it.

    IMG_0408.JPG
     
  8. DodgeTheViper

    DodgeTheViper
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    I'm compromised by were the cable is already in the ceiling. Those front ceiling mounted are a no go ?
     
  9. Rock Danger

    Rock Danger
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    If you can do front heights, I don't see why not really. Is the red circle the only place you can put a speaker above you, or can it be scooched forward some?
     
  10. DodgeTheViper

    DodgeTheViper
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    Depends if I want to cut into the flooring in several places from the room above, then drill through as many joists as needed. So no :D
     
  11. Electric Mayhem

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    Might be worth reconfiguring your Surround Backs as Rear Heights and leaving them where they are. Did that with mine (although they're pointing up at the ceiling) and added Front Heights on the front wall. Works a treat and is the configuration that works for all formats (Atmos, DTS-X/Neural and Auro3D).
     
  12. gibbsy

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    F*** it. Just give me your room. I'll sort something out.

    Four inceiling look best, but perhaps a little more forward than the sofa. Certainly the ceiling is too low for upfiring. You have to get the holes right the first time. According to my wife the second drilling of holes would result in a visit to the local A&E.
     
  13. Rock Danger

    Rock Danger
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    Yeah, you could do that if you want to go back to 5.1 like Jase says, it's just you're almost there. But I think his suggestion is more sensible. You'll still have to come forward tho with them surrounds in tow.

    Then you can watch your betamax in Auro 3d :)
     
  14. DodgeTheViper

    DodgeTheViper
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    I can alter those surround backs to fire the opposite way, so more toward the ceiling . . . . ish.
     
  15. Seriously Ltd

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    Hi Kev,

    I would do the following:

    Top front as per red circles with in ceiling speakers.

    Lower side surround to just above seated ear height.

    Raise the rear surrounds and designate as rear heights.

    You would effectively be running a 5.2.4 system.

    Option 2

    Install top fronts in ceiling and top middle as per red circles.

    Lower side and rear surrounds but move side surrounds just slightly forward of the MLP.

    This can be achieved by designating FH and TR. you will not lose any info by doing this.
     
  16. DodgeTheViper

    DodgeTheViper
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    The most rear of the already installed cable, is just slightly forward of the seating.
     
  17. Rock Danger

    Rock Danger
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    Don't fire them at the ceiling, that's for crazy people.
     
  18. Electric Mayhem

    Electric Mayhem
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    :blush::D
     
  19. DodgeTheViper

    DodgeTheViper
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    Top front would be approx 130cm in from the front wall, would that be ok ?

    Top middle would be just slightly forward of the seating, again, would that be ok ?

    If I can alter the side and back surrounds accordingly, that would give me 7.2.4.
     
  20. gibbsy

    gibbsy
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    Sign me up. Bring on the white coats.:)

    For many in ceiling are not an option. You do get effects, they certainly do enhance the front sound stage and above when the soundtrack requires. It's unfair to diss upfirers because they do work, maybe not as well, but for many they will be a valuable extension to the listening experience. Sometimes the room dictates what can be achieved. R50s suit me, better than having, at the least, unslightly wires and speakers on the ceiling.

    That doesn't make me twp.
     
  21. Electric Mayhem

    Electric Mayhem
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    I'd try it. It's easy to do and change back if you don't like the end result. As for Front Heights are you able to set a pair up temporarily as a test?

    I found that dropping back to 5.1.4 from 7.1 didn't seem to lose any of the surround field. If anything, going 5.1.4 has improved the overall rear surround stage along with the additional height effects.
     
  22. DodgeTheViper

    DodgeTheViper
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    Agreed. We all need to do the best we can with what we have. It may not suit other people but great for the user.
     
  23. DodgeTheViper

    DodgeTheViper
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    As the room isn't huge, I doubt I would lose too much by taking out the surround backs. Especially if adding rear heights.

    I need to also mention that I don't have an enabled Atmos/DTS:X receiver, yet.
     
  24. gibbsy

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    You've got a dedicated room. Looking at it then in ceiling, or on ceiling in a 5.1.4 configuration is going to be the best. The room is dedicated to what you want, in ceiling would be a progression. I have a major obstacle to inceiling speakers, it's called the wife. Jesus wept, the fuss she's kicked up and all I did was mention a second sub.
     
  25. Electric Mayhem

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    I thought you had a Denon 7200WA?

    Pics below of my setup might give you food for thought and some ammunition for Rock for us crazies...;)
     
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  26. DodgeTheViper

    DodgeTheViper
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    I totally understand the wife thing, believe me. I just happen to have one that is very understanding . . to a point. The benefit I've got is this room isn't the 'daily' room. If I went four in/on ceiling, it's more the positioning I need to get as good as I can get.
     
  27. DodgeTheViper

    DodgeTheViper
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    Loving your room, Jase :smashin:

    Your Denon is an absolute beast, don't get them like that any more.

    Are your side surrounds just slightly behind the seating ?
     
  28. DodgeTheViper

    DodgeTheViper
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    I've removed the side surrounds and there is enough cable to lower and move them slightly forward of the seating.
     
  29. Rock Danger

    Rock Danger
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    Interesting upfiring rears for sure. i understand people aren't allowed to lift floors, but you have 2 beds on your walls, do you have a solid floor above?
     
  30. Electric Mayhem

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    The big D is relegated to poweramp duty now. Build quality has taken a back seat with new gear. I think my DVD player is heavier than the Marantz! Proper solid.

    Yes, the side surrounds are slightly behind. I did have the sofa further back so they were directly to the side but where it is now gives me the best results.
     

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