Placing a subwoofer in a tv unit??

Discussion in 'Archived Threads 2001-2004' started by Ben F, Nov 4, 2001.

  1. Ben F

    Ben F Extra

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    Ok i'm considering buying the sony sa-wm40 but the only thing that's keeping me back is where to put the bloody thing!!
    Due to the size of my lounge room, the only real practical positions are either in the corner of the rear wall or inside the bottom corner of the tv unit.
    The tv unit is made of pretty sturdy wood, so can u guys tell me if there will be any problems ie vibration, output etc and also what would placing it in the rear wall do to the overall effect compared to other positions.
    I'm very new at all this, so can u tell me every detail in not too technical terms!!
    thanx in advance [​IMG]
     
  2. jeff lam

    jeff lam Screenwriter

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    You might get a lot of echoing boomy bass if the TV unit is enclosed. Give it a shot, and if you like it great, if not, then you have to find another place for it.
    Good Luck
     
  3. Kartal_Guner

    Kartal_Guner Extra

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    I don't think many subwoofers are properly shielded for use in this manner.
     
  4. Ben F

    Ben F Extra

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    What do u mean?
     
  5. Brett DiMichele

    Brett DiMichele Producer

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    Speakers use magnets and electricity to move the speaker
    cone. Magnetic intereference can cause a TV's picture tube
    to go haywire and possibly destroy the tube, at the very
    worst. In the very least scenario you would have to have
    someone professionaly degauz the tube or the color would
    be messed up.
    What Kartal is saying is that he doesn't think sub woofers
    are properly sheilded to be used near a TV and this could
    cause the problem I spoke of. Usualy people place thier sub
    away from the TV and this is not a problem but if the sub
    is not magneticly sheilded and you place it that close to
    the TV there could be problems. Not to mention that the bass
    output of the sub will in all likelyhood shake the TV cabinent
    so bad and it will rattle so bad that you couldn't stand the
    sound.
    ------------------
    [​IMG]
    Brett DiMichele
    My Home Theater Site!
    [email protected]
     
  6. Ben F

    Ben F Extra

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    thanx for the advice guys, it was very much appreciated
    well, i guess the only position left is in the rear corner of the room. The corner is about 1.5m behind the listening position.
    Could u guys tell me what the effect would this have compared to other positions??
     
  7. Sean Conklin

    Sean Conklin Screenwriter

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    If the only place left is to put it behind the listening area, then that should work OK, you may or may not have to switch your subwoofer phase to 180 degrees instead of 0 so it will be in phase with your mains.
    Ideally an LFE sub should be placed at least in the front by the mains.
    But, there are a fair amount of people here on the forum and elsewhere that run their LFE subs behind the listening position with good results!
    Oh yeah I almost forgot, I would NOT put my sub in an entertainment center! Also the SA-WM40 is rear ported and the results could be disastrous(sonically speaking).This sub is also video shielded so I wouldn't worry about any magnetic interference with the TV(just in case you can find a spot close to the TV without it being in the Entertainment center).
    ------------------
    Sean
    "I was thinking of the immortal words of Socrates who said.......I drank what?"
    [Edited last by Sean Conklin on November 05, 2001 at 06:08 PM]
     
  8. Ben F

    Ben F Extra

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    Thanx for the advice Sean [​IMG]
    So any guys out there with a sub placed behind the listening position??.......Could u tell me how it worked out for you?? I read somewhere about localisation.....how can u minimise it??
     

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