Under dash subwoofer plans?
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Thread: Under dash subwoofer plans?

  1. #1
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    Default Under dash subwoofer plans?

    Anyone know of any plans for under dash subwoofer DIY?

    Digging around under there, it looks like there might be a cutout for a 6x9 on the driver side, not sure about passenger. Looks like quite a lot of room, considering itís like 20 miles from the steering wheel to the bottom of the windshield ... where that damn leaf is sitting....mockingly

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  3. #2
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    Look at what dev did-
    https://www.spyderchat.com/forums/sh...tive-subwoofer

    Seems reasonable.

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    I have the Cerwin Vega VPAS10. Slid into the straps that would normally hole the jack and tool kit.
    One thing to remember is that none of these will "thump".
    They will , however, provide a nice bass extension and fill.

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  6. #4
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    Quote Originally Posted by Mr2salty View Post
    Look at what dev did-
    https://www.spyderchat.com/forums/sh...tive-subwoofer

    Seems reasonable.
    I did look at that, didnít want to loose the space. Itís holding the EMU and plx sensors, and I would loose the ability to carry ......2 grocery bags and a box of chiclets

    I like bass shakers, they were better in the vibe because I mounted them to the bottom of the seat. They would vibrate and tickle all the naughty bits. No room to do that with these seats, had to cut the carpet and screw them right to the body. They complement the door speakers, more would be nice.

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    Quote Originally Posted by 4azdmunky View Post
    I did look at that, didnít want to loose the space. Itís holding the EMU and plx sensors, and I would loose the ability to carry ......2 grocery bags and a box of chiclets

    I like bass shakers, they were better in the vibe because I mounted them to the bottom of the seat. They would vibrate and tickle all the naughty bits. No room to do that with these seats, had to cut the carpet and screw them right to the body. They complement the door speakers, more would be nice.
    So youíve got a powered sub mounted under the stock seats? Which one did you use?

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    Not "plans," but I once scribbled down the dimensions of an UDsubJr enclosure for a 6-1/2" JL sub.

    https://photos.app.goo.gl/ztAZm5g1JrdLfNKB9

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    Quote Originally Posted by 4azdmunky View Post
    Anyone know of any plans for under dash subwoofer DIY?

    I think I might still have an unused under dash sw enclosure. I'll look this weekend and post some pics.

  10. #8
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    Quote Originally Posted by Mr2salty View Post
    So you’ve got a powered sub mounted under the stock seats? Which one did you use?
    Not a speaker, but hooks up like one. Low pass filter like a sub

    https://www.amazon.com/AuraSound-AST.../dp/B0002ZPTBI


    I put these as close to the frame crossbar, and a couple inches from the inside seat rail, then sliced the carpet to screw them to the body.
    When the door speakers play bass, the car gets the vibration like you have a bigger speaker.

    I think the original MR from the 80s did this too
    Last edited by 4azdmunky; 10-20-2018 at 08:42 AM. Reason: Forgot inches..lol that’s what she said

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    Last edited by DaveSchott; 10-20-2018 at 01:25 PM.

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    It does, thx for taking the time and posting those.

    Not sure how Iím going to make them, but does give me an idea.

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    Quote Originally Posted by DaveSchott View Post
    I think I might still have an unused under dash sw enclosure. I'll look this weekend and post some pics.

    Would you be interested in selling them?

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    Just have the one in the pics.

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    https://www.discountcentralonline.co...tive-subwoofer

    Link is for specs and product detail.

    Will this fit under the passenger seat?

  16. #14
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    Default under seat speaker

    Quote Originally Posted by Mr2salty View Post
    https://www.discountcentralonline.co...tive-subwoofer

    Link is for specs and product detail.

    Will this fit under the passenger seat?
    I could be wrong, but as far as I know, no one has ever mounted an after market "active subwoofer" underneath a stock spyder seat. If they did, they would have needed to have raised the seat a few inches. I have read that it might also help to remove the carpeting (padding) directly under the seat to add some space.

    Stick your hand under the seat and feel the floor. It is not perfectly flat and at the most you have is 1 to 1.5 inches of clearance. Even if you made your own box to place under the seat, it would probably restrict the "sliding" of the seat. It is really easy to see this once you remove the seat.

    BMW got around this by actually placing a kind of sub-compartment in the floor. I think we really only have four choices: in the cubby, behind the seat, under the dash or on the floor (like Dev). Or, raise the seat up about three inches so that your Blaupunkt might fit.

    I am actually hoping I am wrong. Dev, you having any comments on this?

  17. #15
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    I made a small 8in box and mounted it to the passenger side of the under dash to the floor. Covered with matching carpet it is not that noticable or in the passengers way. Sounds great.

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