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Thread: A 12" in sub and 6.5 inch speaker in the same enclosure?

  1. #1
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    A 12" in sub and 6.5 inch speaker in the same enclosure?

    Ok, I'm working on a design for a new enclosure for my camaro. I'm having to save some space to save room for the PC that's being worked on to go in it and decided the best way to do it would to just put a 6.5 inch speaker and 12" sub in the same spaced enclosure. It will have to sides, each holding a 6.5 and a 12. Would that work if I added a little more air space for what the 12 would normally need? The 6.5 is 260 watts max and the 12 is 1200 watts max if that matters. If so, about how much more space would it need to add in the 6.5?

    In case I didn't explain it well enough, I'm talking about adding in an extra hole in what would normally be just for the 12 inch for a 6.5. It's a fiberglass enclosure, so fitting it in will be no problem if it would work without intefering with eachother.

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    I wouldn't do it pecially if you are using sealed box. The air pressure created by the subwoofer when it moves in/out would distort the speakers or might even kill them by forcing the cone out of its coil. So keep them separated. And why are you putting in rear speakers, unless you are doing 5.1 there is no need for the rear speakers, its better to just take that money add it to your front speakers fund and buy a good set of speakers for the front.

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    Quote Originally Posted by Niskyspy View Post
    I wouldn't do it pecially if you are using sealed box. The air pressure created by the subwoofer when it moves in/out would distort the speakers or might even kill them by forcing the cone out of its coil. So keep them separated. And why are you putting in rear speakers, unless you are doing 5.1 there is no need for the rear speakers, its better to just take that money add it to your front speakers fund and buy a good set of speakers for the front.
    It is mainly for appeal. I already have the same speakers in the front and rear. I have 2 amps in the back and both are 2 channels, so I figured I would just put a 12 and 6.5 up to each.

    I decided to move the 2 speakers a little closer to the amps before I re-checked this thread anyways. How big of an enclosure would be needed(airspace) for a 6.5 with 260 watts max? The speaker can be found here:

    http://walmart.scosche-cars.com/prod...ductID=5155434

    And it will be fiberglassed.

  4. #4
    FLAC XC-C30's Avatar
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    The link doesn't redirect to the product. So what speaker is it, and what are the TS of it....

    edit: and oh.... don't look at MAX ratings! But I guess you figured that, since you searched and serched the internet for days, right?
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    Quote Originally Posted by IC-C30 View Post
    The link doesn't redirect to the product. So what speaker is it, and what are the TS of it....

    edit: and oh.... don't look at MAX ratings! But I guess you figured that, since you searched and serched the internet for days, right?
    Hmm, linked me back to it. I'll post the stats from then. Oh, and I know to not go buy only the max, which is why I posted the link so you could see the rest of it.

    Size: 6-1/2"
    Woofer Cone Material : Composite IMPP cone
    Voice Coil: Heat resistant
    Magnet: Strontium
    Mid-range: 1-5/8 diameter with Strontium magnet
    Tweeter: 3/8" diameter dome
    Super Tweeter 3/8" diameter dome
    Watts MAX Music Power 260 Watts
    Watts Nominal Power Handling: 50 Watts
    Ohm Rating: 4
    Mounting Depth: 2-1/8"
    Cut-out Dimensions 6-3/4

  6. #6
    FLAC XC-C30's Avatar
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    still no TS parameters, which I/we need to calculate the proper box. So what brand/model is the particular speaker we're talking about?

    Or better yet: Go after the TS parameters yourself, and calculate a box yourself with this http://www.linearteam.dk/default.aspx?pageid=isdonline
    Xenia & Isabelle, totally in love!

    'T SQiekenkot: VOLVO 740GL 2.3

    CarPC: none at the moment
    CLARION HX-D2
    CLARION APA4300HX => Fountek NeoCd1.0 + TB W4-1337SD
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    CLARION APA2100 => Dayton IB385-8

  7. #7
    FLAC J187's Avatar
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    IF!!! The 6.5" speakers are in fact, subwoofers, then you can do it. BUT you will have to chamber them off inside the enclosure. AND, at the end of the day, you'll never know they are there.

    IF, these 6.5" are midrange drivers, then what you are trying to do is wrong on a couple of levels.
    1. Subwoofers create SPL not only outside the enclosure but inside as well. The problem with even putting 2 different SUBS in the same box, let alone different types of speakers alltogether, is that they do not fire in the same exact moment. SO, the SPL of one speaker, effects the excursion of another. In this case, the subwoofer fully, rather, OVER excurts the 6". It would be a melee.
    2. Midrange speakers are not designed to BE in an enclosure. In fact, without some flow of air, most do not perform accurately. Almost all midrange drivers lack the XMAX and the BL (driver motor strength) to pull a large volume of air, let alone do this efficiently. So, what you wind up is a driver sitting in an enclosure which is being held in by the vacuum of sealed air space. Yes, if it is a ported box this same thing applies because a ported box IS still a vacuum sealed air space. Midrange drivers are designed to run IB, free air. They are best kept that way. NOW, a good midrange ddriver, used to provide midbass OR a midbass driver can certainly be tuned by providing a small, manageable enclosure...but the key here is small and manageable.
    Its not the cards you're dealt, its how you play the hand!

    Quote Originally Posted by ryuandwings View Post
    Where can I get a roll of tin foil?
    I been looking for that all over the net, but I can't find it.
    Please help.

  8. #8
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    just because you have the speakers, doesnt mean you HAVE TO use them.

    sell them to a friend, or put them on ebay.

  9. #9
    FLAC XC-C30's Avatar
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    if it is just a midranger, he isn't gonna hear it play anyway, that close to the sub. I'm more and more leaning towards: "give them what they ask for and back off". That's why I sugested to calculate a box for it....
    Xenia & Isabelle, totally in love!

    'T SQiekenkot: VOLVO 740GL 2.3

    CarPC: none at the moment
    CLARION HX-D2
    CLARION APA4300HX => Fountek NeoCd1.0 + TB W4-1337SD
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  10. #10
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    They are the pioneer 6.5 speakers.

    Quote Originally Posted by DavC View Post
    just because you have the speakers, doesnt mean you HAVE TO use them.

    sell them to a friend, or put them on ebay.
    True, but why not use them? That's like saying you have an extra amp you could hook up to help your system but instead just sell it. I'd like to use them to help the system and for the appeal.

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