Polyfill vs. Fiberglass

Discussion in 'Archived Threads 2001-2004' started by Michael Gdwn, Aug 14, 2002.

  1. Michael Gdwn

    Michael Gdwn Agent

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    Will Polyfill from Parts Express outperform Fiberglass sheets I can buy at Loews that much in my Audiosource 15? The polyfill is $40 and the fiberglass in
     
  2. Dustin B

    Dustin B Producer

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    Try Wallmart or any local fabric store. If you say polyfill and they go huh, say the stuff you put in blankets. I seem to remember people saying 1lb or 2lb bags are like $2.50 at wallmart.

    Oh and fiberglass will work fine. Just itchy (well to some, doesn't bother me), and if the enclosure is ported you could end up throwing fiberglass particles into the air.
     
  3. Joe Tilley

    Joe Tilley Supporting Actor

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    If your looking at the acousta stuff #260-330 from PE I wouldn't recommend it. I bought some of it before & hated the stuff cause it lumps up. Regular poly fill is much cheeper & dose the same thing.
     
  4. Sebastian

    Sebastian Second Unit

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  5. Roy Wallace

    Roy Wallace Stunt Coordinator

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    I have been following this thread with interest, as I am considering a do it yourself sub, and it leads me to a question.
    The link Sebastian provided about fillers noted that most of the fillers were not effective below a given frequency such as 100Hz. What would be the result of not using any filler at all if it is not effective in the main frequencies that subs operate in?
    Having said this, what is the primary function or benifit of filling an enclosure? Is the filler required at the low frequency range at all, or is it more for the upper limit of the subs range?
    I am sure someone will enlighten me, as always![​IMG]
    Roy
     
  6. Dustin B

    Dustin B Producer

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  7. Sebastian

    Sebastian Second Unit

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    Does anyone know if one stuffing material is better than the other, when stuffing ported subs?
     
  8. John Garcia

    John Garcia Executive Producer

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    Sebastian, if you read the link provided by Dustin, your question should be answered.
     
  9. Sebastian

    Sebastian Second Unit

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    So, basically nothing in performance? They both trick the driver into seeing a bigger volume. If that is the case why would anyone want to use fiberglass?
     
  10. Neil Joseph

    Neil Joseph Lead Actor

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  11. Chris Tsutsui

    Chris Tsutsui Screenwriter

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    I think it's highly unlikely you'll hear the audible difference in stuffing brands so I recommend taking the trip to Walmart and purchasing "Premium Polyester FiberFil" by "Create A Craft" Loft Plus. It has maximum resiliency and loft, pure optic white for crafters who demand the best, machine washable, and hypo-allergenic.
    [​IMG]
    $2.00 per 20 oz bag (1.25lbs)
    $7.00 per 80 oz bag (5 lbs)
    Sebastian, I use fiberglass rolls sometimes because the sheets are cheaper than polyester batting when lining walls or making acoustic panels. However, the case we are talking about utilizes a loft where polyester can actually be cheaper.
     

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