Speaker Positioning At Ceiling Level

Discussion in 'Archived Threads 2001-2004' started by Adam Kuhns, Oct 19, 2001.

  1. Adam Kuhns

    Adam Kuhns Extra

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    I need to elevate my front speakers and rear surround speakers to ceiling level. What is the best position for them there? It's a one shot deal so I need to get it right the first time. I'm thinking angled in the corner and aimed to the center of the floor but perhaps there's a better way?
     
  2. Brett DiMichele

    Brett DiMichele Producer

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    Adam,
    Why are you elevating your L/R Fronts to celing level?
    If you absolutely most mount them to the celing or a wall
    I would sugest getting a set of brackets that allow horiz
    and verticle aiming. Then Aim them at the "sweet spot" where
    you will be sitting.
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  3. Guy Kuo

    Guy Kuo Supporting Actor

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    If you are mounting the speaker that close to the ceiling consider that the ceiling is usually a more acoustically reflective surface than your (carpeted) rung. You should also plan on adding some absorptive treatment to the ceiling at the primary reflection point to reduce comb filter effects.
    ------------------
    Guy Kuo
    www.ovationsw.com
    Ovation Software, the Home of AVIA DVD
     
  4. Adam Kuhns

    Adam Kuhns Extra

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    My room is just too small to accommodate all four speakers in equal-distant positions. I could probably fit the front L/R's on each side of my TV stand but the rears have to go higher. I like the idea of mounts that can be aimed to certain points in the room. Can someone recommend a good type?
     
  5. Brett DiMichele

    Brett DiMichele Producer

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    Adam,
    Crutchfield carries the whole line of brackets from B-Tech.
    I use the BT1's from B-Tech to support my AR 216PSB's which
    are my L/R Surround. The BT1's support up to 22Lbs Each they
    are made of glass reinforced nylon and allow you to tild and
    swivel the speakers for optimal positioning (see image below)
    Also you could check out http://www.partsexpress.com
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  6. SamRoza

    SamRoza Stunt Coordinator

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    My JBL S38s are suspended from the ceiling via Omnimounts. It's a 2-piece designs that uses a toothed clamp and a hard plastic ball. They are easily adjustable and I highly recommend them for surround speaker of any sort of heft/size/weight.
    Sam
     
  7. Brett DiMichele

    Brett DiMichele Producer

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    Sam,
    Omni-Balls won't support much over 10 or so pounds. I think
    the exact specs may be 15 pounds. Most large bookshelfs
    weigh in at 20 or more pounds. The Omni's are perfect for
    Bose Cubes, JBL's and some of the smaller surrounds.
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  8. Adam Kuhns

    Adam Kuhns Extra

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    I would definitely need a mount that can support a lot of weight. My speakers are pretty hefty; I'd say at least 21 pounds. The BT-1 looks like a good candidate. Most mounts at Parts Express that support heavier loads are limited in movement and are expensive. Thanks for the links, Brett.
     
  9. SamRoza

    SamRoza Stunt Coordinator

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    Adam, Brett is incorrect about the Omnimount Ball mounts. I am in the process of getting some pics scanned onto my computer so that I may show you(and him) that the mounts that I am using can handle WELL over 10 lbs.
    My S38s are approximately 30 lbs, and I do believe that they will easily support close to double that. Simply lag them to a stud either in the ceiling or the wall(I've mounted them on both so far), and you have one of the sturdiest mounts in the industry.
    When I originally was going to mount my speakers, I was going to use one of the plastic mounts like in the pic above, but when I received them, I relized they were WAY too weak for my purposes(of course the vendor wouldn't let me return them, even though they were unused).
    Pics to follow shortly...
    Sam
     
  10. Brett DiMichele

    Brett DiMichele Producer

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    Sam,
    Sorry but I have to disagree with you. If the Omni-Mounts
    you speak of are RadioShack Part #25RST-UMK that sell for
    $59.99 (Pair) I looked at them and they are NOT rated for
    20+ pounds period! Check the box or check the manual that
    they come with. I don't care what your pair is holding, the
    fact is the manufacturer does not rate them for more than
    15 pounds per bracket. The B-Tech BT1's on the other hand
    support up to 22LBS. Just the facts...
    [​IMG]
    Those are the brackets your speaking of.. They have to be
    because all of the other Omni-Mounts are rated for even LESS
    weight and are made of Glass Reinforced Nylon.
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  11. SamRoza

    SamRoza Stunt Coordinator

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    Ok, pics of the mounts, as well as my entire HT(!) are FINALLY uploaded. see them all here: http://photos.yahoo.com/local420us and click on the Catalog that says "Home Theater". The first 2 images are of the Omnimounts.
    Sam
     
  12. SamRoza

    SamRoza Stunt Coordinator

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    Facts? these did NOT come from the Rat Shack, and were rated at least 30-40 pounds(packaging is long gone). Also, these are not "glass-reinforced nylon", they are STEEL. I believe we are speaking of 2 totally different mounts.
    Sam
     
  13. Brett DiMichele

    Brett DiMichele Producer

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    Sam,
    Nice setup!
    I hope your Omni-Mounts serve you well, me personaly I
    would never overload a bracket past the manufacturers
    recomendations. The bracket it's self is pot metal which
    should take the weight no problem but the ABS plastic ball
    could suddenly fracture (especialy around the area where
    the stud is molded in) and that would not be pretty.
    I am going to hop over to JBL's site to see exactly what
    those S38's weigh in at.
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  14. Brett DiMichele

    Brett DiMichele Producer

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    Sam,
    Re-read my post.. The brackets you have are sold at
    Rat-Shack... Same bracket... Omni also makes Nylon
    Brackets that support LESS weight than the one's you
    are using.
    My AR216's are 22 Pounds Each and Your brackets were
    not rated high enough to hold them (I almost bought
    them!)
    Hey how does that Hi-Res AR sub sound? Is that the
    12" or 15" version? (sorry to get off track)
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  15. Brett DiMichele

    Brett DiMichele Producer

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    JBL Studio Series S38
    Weight:28LB (12.7Kg) Each
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  16. SamRoza

    SamRoza Stunt Coordinator

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    Well Brett...I dunno. The Omnis work great for me. The Nylon balls, haven't deformed, and the don'tt seem to be in any danger of failing at all.
    I suppose I'll just cross my fingers and hope that I don't have any issues. I still stand behind the mounts 100%, and I since the S38s are about the heaviest Bookshelves I've ever seen, I dont't hink many wouldhaver a problem using them.
    Sam
    P.S.- THe AR Sub is great. It's the 12" version, and I love it.
     
  17. Adam Kuhns

    Adam Kuhns Extra

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    I wouldn't trust running over the recommended weight on brackets, no matter what they're made of. Having the speakers come down without warning would be a tragedy. If it works though, more power to you.
     
  18. James Elvick

    James Elvick Supporting Actor

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    Hello All,
    The Omni-mounts that Sam is using is NOT the same Brett listed from RatShack. It is rated higher and is a larger ball and bracket. I have a pair of the RatShack type that were used for NHT SuperZero's and the one Sam is using is defintely a larger mount. That being said... here it what I us for my rear surrounds:
    http://www.globalmart.com/page/bksp_black.htm
    James
    [Edited last by James Elvick on October 21, 2001 at 03:38 PM]
     
  19. SamRoza

    SamRoza Stunt Coordinator

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    Thank you James. I've been banging on my head trying to find an online retailer that sells the same larger ballmounts, and I can't find them. I believe they were rated for 55lbs.
    I might drop by the retailer that I bought them at to make sure.
    Sam
     
  20. Brett DiMichele

    Brett DiMichele Producer

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    James,
    Thank you for the info. I just don't want anyone mislead
    into a bracket that isn't up to par on weight issues. I
    know that the version RadioShack sells is made by Omni and
    they are the same design and materials as the ones Sam is
    using, unfortunately you can't compare them via pictures
    to say they are the same. I am glad that you stepped in
    and provided more info. Do you have a web site where I can
    see the specs on the heavier version? I will see if I can
    find Omni's web site.
    Sam,
    Glad to hear you love the AR Sub. I have all AR gear and
    I want to stay with that brand as they have treated me very
    well. I think I am going to go with the Hi-Res 15" 300 Watt
    Carver/Sunfire powered model. I see everyone using the SVS
    subs here on the forum and they look like a high quality
    sub but I don't need to hit 150 Dbl's [​IMG]
    Your setup looks great and those JBL's look sharp!
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     

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