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how can I use a car sub in my HT?

Discussion in 'Home Theater Projects' started by Mike Foley, Jan 16, 2005.

  1. Mike Foley

    Mike Foley Extra

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    well, its not so much my home theater, its my parents. I'm buying my dad a new receiver for his birthday, and the sub he has isn't self powered. I'd like to just go ahead and give him a new sub, but due to budget constraints (i.e. broke) I won't be able to just buy him one. I have a subwoofer I used in my car (Pioneer 12") before I upgraded to JL. Is there some sort of an amp I can buy thats made for what I want to do? I just need 1 RCA input and 1 speaker wire output. Any ideas?

    thanks
     
  2. stephanX

    stephanX Stunt Coordinator

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    Partsexpress(partsexpress.com) has a number of subwoofer plate amps for this exact purpose. Download some modelling software (WINisd) and find out the best box size for the sub to give a good in room response. Good luck in your DIY ventures. A good spot to aim for is an in room f3(where the response is 3 decibels down than the rest) of rougly 25hz(but the lower the better), that will give you most of the mixes bass in movies these days.
     
  3. Wayne A. Pflughaupt

    Moderator

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    Since you indicate that you’re doing this on the cheap, I suggest picking up a used stereo receiver or integrated amp from a pawnshop. You should have no problem finding a two-channel model under $100.

    Regards,
    Wayne A. Pflughaupt
     
  4. Geoff L

    Geoff L Screenwriter

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    Do you have the TS-params for your Pioneer 12, at least the basic ones.
    Like:

    FS--?
    QTS-?
    QES-?
    QMS-?
    VAS-?
    Xmax?
    SVC or DVC and it's/their ohm load-?
    Power Handling-?

    Anything more would be nice..

    Some of the Pioneer car drivers will work pretty decent for a HT sub. They usualy have a "lower FS" than most car drivers, mid Q, and bigger Vas so a DIY sub using it could certainly be a possibility.

    They made/make a couple models that are designed for very small box car apps & certainly not the greatest woofs for a home sub..

    If you provide some TSP's maybe we can help you come up with something that will work with your driver....

    Wayne P's power idea is a good one!
    Some sweet deals can be found at Pawn shops and Consignment shops for regular 2-channel home receivers/amps/intagrated amps or pro amplifiers.

    Before buying any power, be it a subwoofer plate amp, 2-channel home receiver or amplifer, lets see what can be done with the driver in question...
    Cheers
    Geoff ¥
     

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