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Distance subwoofer to the PC really that important?

Discussion in 'Subwoofers' started by Morris Schæffer, Aug 23, 2005.

  1. Morris Schæffer

    Morris Schæffer
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    Magnetic interference will kick in apparently if both are too close together. How seriously should this be taken and what kind of distance is probably harmless?

    What are we talking about here?

    Thanks.
     
  2. guli

    guli
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    there shouldn't be much magnetic interference if your PC is total enclosed in a metal case..

    Alex
     
  3. eviljohn2

    eviljohn2
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    Why do you say that?
     
  4. Morris Schæffer

    Morris Schæffer
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    I've got a Xaser aluminum case so perhaps that fits the bill. If at least he's right.
     
  5. eviljohn2

    eviljohn2
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    You need a lot more than a sheet of metal to impede a magnetic field. A grounded metal case will act as a faraday cage to impede an electric field but the two are very different things in this instance.

    Distance is about the only thing worth considering in your case - a metre or so should be fine. It's not really interference that you need to worry about but data stored on magnetic drives. :)
     
  6. guli

    guli
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    eviljohn,

    I work for a disc company doing research, and in my opinion, unless you're taking the loudspeaker magnet and placing it right next to the hard disk, you should be fine. Stray field is accounted for in hard disk design. Hard magnetic material is not.

    As a test, I took a bare hard drive last night, put on top of my sub, played a movie, and tested it. It's fine.

    I would thus say putting it right next to each other should be okay.

    Alex
     
  7. eviljohn2

    eviljohn2
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    Discs are built better than I thought. It may still be wise to have some distance as long-term data retention could be a problem. :)
     
  8. inzaman

    inzaman
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    I'd not really thought about this myself, one of my speakers is about half a metre away from my PC and i have had no problems in the past eight months or so (touch wood).
     
  9. guli

    guli
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    most speakers are shielded anyway

    and yes, if you're so worried, put a iron plate (or any soft magnetic material) between hard magnet (speakers) and computer will solve ALL magnetic interefence. FACT. :D

    Alex
     
  10. Morris Schæffer

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    Thanks for the feedback. It looks like there will be about 80-100 cm between woofer and PC so that should be adequate. How is interference noticeable btw?
     
  11. guli

    guli
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    it's not noticeable.
     
  12. stevefish69

    stevefish69
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    My SVS is definantly NOT shielded and screws up my Tv picture when withing 1.5m

    The Sub not resides less than 1m away from my PC with no problems at all.
     
  13. corvettez06

    corvettez06
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    I think when the guy meant the subwoofer affecting the PC, I think he meant the monitor. In any case most of the time just put the subwoofer under the desk. They just don't want you putting it on the desk next to the monitor! :nono:

    Understand? :thumbsup:
     
  14. Morris Schæffer

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    Eh no. I meant the actual tower rather than monitor. The sub isn't going on the desk anyway. No chance. :D
     
  15. eviljohn2

    eviljohn2
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    It sounds like it should be fine, I was just worried that leaving a hard drive in a permanent magnetic field for a long period of time may cause problems with data retention and/or bad sectors. :)
     
  16. guli

    guli
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    honestly,

    you're not annealing the hard drive in a 5T anneal oven. If you're so worried, use a steel computer case, and you should be fine (not aluminium).

    (or a thick IRON box) :D

    Alex
     

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