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M&K S150 THX Centre Speaker

Discussion in 'Home Cinema Speakers' started by lscolman, Nov 12, 2004.

  1. lscolman

    lscolman
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    Hi,

    Does anyone know if I change the orientation of this speaker from vertical to horizontal, whether there is any adverse effect of the sound.

    I am about to receive what is effectively a left channel version of this speaker, but would like to place the speaker on it's side with the tweeters at the top, and the drivers at the bottom.

    A crude diagram of how I would like to place the speaker...
    --------
    | o o o |
    | O O |
    --------

    Anyone able to help, with my bizarre query?

    The M&K web site seems to show them in the vertical position of:-

    -------
    | O o |
    | o |
    | O o |
    -------

    but don't mention whether they can be laid in my preferred position of horizontal.

    If no-one is able to help, at least I've had fun with drawing boxes with characters. :laugh:

    Thanks in advance

    Lee
     
  2. recruit

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    Lee as far as i know the M&K speakers are all designed individually with there LCR configurations to be technically correct meaning they are designed to work specifically for that duty. I suppose it will change the sound, how much i don't know all i can say is give it a try and if your'e happy then keep it that way.
    Experiment and see, let us know what you think though if you do try it.

    John
     
  3. thxultra

    thxultra
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    I've got the pro versions of your speaker and the centre is actually the right hand version although i dont really think it would make much diffrence.

    Iv'e tried it in both vertical and horizontal positions and in my opinion there's no noticable diffrence at all.Although i've heard of people spinning the tweeters 90 deg and re-sticking the foam bits so they sit the same as when it's vertical , bit extreme for me :eek:
     
  4. recruit

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    THX are the tweeters angled say Left or Right or Upwards on your Pros?

    John
     
  5. lscolman

    lscolman
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    The tweeters on the one I am buying don't look angled. The cabinet is a cubed version with no angle. The lad was using this left speaker, as his centre, and appears to have turned the tweeters around in the cabinet already. Saved me a job...

    Cheers, Lee
     
  6. recruit

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    Lee as THX has said i don't think it will matter as he has already tried it, on my 851's they are angled away on each speaker.
    The S-150's are awsome speakers and don't think there is much out there that can beat them.

    John
     
  7. thxultra

    thxultra
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    Hi

    The tweeters are not angled in any way
    Here's a pic of my centre
     

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  8. lscolman

    lscolman
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    Hi,

    It looks like I might away with it... :)

    I'm currently using M&K K7's across the front, but have a S150 arriving for the centre. There are a pair of S125's with stands on the forums for £875. How do you think these will match up with the S150? I think I read they use the same drivers and tweeters. Can anyone confirm?

    Cheers, Lee
     
  9. recruit

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    Thank's THX great looking speakers IMO.

    I have been toying with the idea of upgradeing my 851's for a while now and may just do it for Xmas although the 851's do sound bloody good.

    Lee - i hope you enjoy your new speakers mate :smashin:

    John
     
  10. CYRUStheVIRUS

    CYRUStheVIRUS
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    I know it is my speakers for sale, but on the M&K website they have not discontinued S125c as it is an excellent match for the s150's.
    So it's logical that the S125's will perfectly match the S150 center.
    Cheers
     
  11. lscolman

    lscolman
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    Hi Cyrus,

    You tracked me down...

    Thanks for the info.

    Cheers, Lee
     
  12. Madders

    Madders
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    If the actual cabinet is flat fronted, you should be fine as the tweeters themselves aren't angled. However if it is a left speaker, the front baffle is angled so that it faces slightly right so that the speakers can be "toed in" with the back of the speaker still parallel to the wall.
     
  13. lscolman

    lscolman
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    Hi Madders,

    The front of the speaker is flat fronted. Can I ask what a baffle is please, and what this does?

    Cheers, Lee
     
  14. Madders

    Madders
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    It's the front of the speaker that the drive units are mounted to.
     
  15. Madders

    Madders
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    Oh, and I guess the fact you seem to already have a centre speaker means you probably won't want the 3 speakers I have for sale - I replied to your classified ad before reading this thread! :D
     
  16. lscolman

    lscolman
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    Hi Madders,

    So even if my speaker is flat fronted, the drivers are slightly off centre. Is this right? Do you think this could be modifed? I am laying the speaker on it's side (horizontally), under my plasma, so the drivers should be OK pointing upwards a little.

    Thanks for the info.

    Cheers, Lee
     
  17. Madders

    Madders
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    You should be fine. If the guy is saying that the front isn't angled at all.
     
  18. Craig Sowerby

    Craig Sowerby
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    Hi

    I would say if possible keep the speaker in it's correct orientation, tweeters vertical, putting the speaker on it's side will change the dispersion characteristics.
    Also if possible use a ST stand as this improves the performance dramatically!
    When i first used S-150'S i used Atacama SE24 stands and thought "these sound pretty good" then i used ST stands and realised that i was missing out on so much performance it was scary, i aligned the speakers using a M&K laser guide, due to the dispersion they need to be aligned perfectly to get the best out of them. I recently installed a system including LCR150 and two pairs of SS150 surrounds, i used seven ST tilt brackets and aligned them all,
    It sounded really amazing. i cannot stress how much improvement can be
    made, i think my client browses here so maybe he will share his views.
    Yes they are a lot of money but so are the speakers so i would say save for them as i did.
     
  19. Madders

    Madders
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    Craig,

    Is it just the floor stands that make the big difference or is it the wall mounted brackets too?

    Thanks,

    Steve
     
  20. Craig Sowerby

    Craig Sowerby
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    Hi,
    The ST wall brackets work equally as well as the floor stands, but for different applications.
    If you bought some i would say get the ST tilt, as they do a wall bracket that just allows horizontal ajustment and not vertical.

    Hope this helps,
     
  21. Spligsey

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    Chaps.

    I used to have ST Wall Tilt brackets for my Surround 55 Tri's.
    They are the best speaker brackets i have ever used!
    You could do chin ups on them - they were that strong!
    Pricey, but i agree with Craig - definitely worth it.

    Adz
     
  22. Madders

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    Could someone let me know the price of the ST stands and wall brackets please.
     
  23. recruit

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    I think the ST Stands are approx £350

    John
     
  24. Craig Sowerby

    Craig Sowerby
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    Hi,

    The stands are £350 each, and the ST tilt wall brackets are £155 each.
     
  25. recruit

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    Craig can you recommend a place specifically to buy them as i may need a pair of the ST Stands?

    John
     
  26. Apone

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    Iscolman

    Another method without using a bracket for the s150 centre is to have a mirror on the front baffle or get someone to hold it flat onto the speaker while it is tilted toward the primary listening position.

    What you are trying to achive is to see your face in the mirror when you look at the speaker from the listening position. By doing this you are roughly in the ballpark of correct angle for the speaker and it has not cost too much to do. (just make sure you remove the mirror when listening...... ;) The laser guide mentioned by craig aims to do the same with much more accuracy i believe.

    The MK s150 thx speaker has a very narrow dispersion characteristic as per thx spec so it pays dividends to experiment.

    Regards

    Mahmood
     

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