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Thread: Am I crazy?

  1. 10-12-2008, 12:17 AM #11
    hawkeyefile
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    Two alpines in the front 94dbn two infinity sm152's in the back 95db, 4 tweeters about 92db. and soon one MTX 8 inch 8 ohm subwoofer for a midbass driver. All in all 123 db at about 150 watts for EVERYHTHING. 50 watts for the sub. that 34 inch sub is only 91db, what bull****, needs to much power, about 1000 watts if I did my math correctly, where as mine is only 50 watts.
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  2. 10-12-2008, 02:19 AM #12
    Woofnstuff
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    I cant really talk I prefer smaller subs that give a tight bass sound personally.
    back a few years ago now I built up a play car for myself.
    car cost about $7000 and i think i put another $5k to $8k worth of audio gear and time in there.
    these days you dont need to spend anywhere near that much which is great

    from memory (this was 13 years ago now)
    had a blapunkt head deck
    Coustic 300W amp for the subs, which were 10" Pyle's
    the the Philips 4x50W amp for the infinity 6x9's and front components. which i forget what they are now
    also had a philips active x-over in there too
    I could also still get the spare wheel out too

    I still have the amps etc today and am using the philips on in my car now because its sounds nice and works well. see my car pc link below
    Name: HONDA SUBS eq_resize.jpg Views: 838 Size: 106.2 KB

    Name: HONDA SUBS_resize.jpg Views: 764 Size: 103.1 KB

    Name: HONDA SUBS outside_resize.jpg Views: 840 Size: 90.3 KB

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  3. 10-12-2008, 02:23 AM #13
    hawkeyefile
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    Nice setup I also prefer to make my own amps as well
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  4. 10-12-2008, 07:16 PM #14
    nobb
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    Im curious...any details on how you tuned the ports? Are those two little black holes beside the sub the ports? Looks really small for a low frequency port, especially compared to the size of the woofer itself.
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  5. 10-12-2008, 07:18 PM #15
    hawkeyefile
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    Quote Originally Posted by nobb View Post
    Im curious...any details on how you tuned the ports? Are those two little black holes beside the sub the ports? Looks really small for a low frequency port, especially compared to the size of the woofer itself.
    Yes they are the ports, one foot long angled PVC pipe.
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  6. 10-12-2008, 07:56 PM #16
    Woofnstuff
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    much wind noise thru them?

    thats one thing i noticed on box's ive built small ports make alot of noise.

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  7. 10-12-2008, 08:26 PM #17
    hawkeyefile
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    there is only port noise when the sub is trying to play 12 hz and below, however mp3's don't have that kind of frequency response. and my computer has a 200 band eq wih a 60db drop off at 18 hz.
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  8. 10-13-2008, 12:07 AM #18
    Woofnstuff
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    play your music louder then

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  9. 11-29-2008, 02:57 AM #19
    hawkeyefile
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    Well I finally did it, I bought the second 21, and soon I am going to buy an Alphasonik PMA2500a, 1500 watts at 4 ohm bridged (the subs will be in parallel, that's 750 per sub).
    My Blog
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  10. 12-10-2008, 07:21 AM #20
    AudioXtreme
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    Wouldn't painting your subs change it's compliance and give you a higher Q? That would throw off your box design and raise your tuning frequency several Hz. Ever think of a Push - Pull configuration and just paint the basket? Wouldn't have to build another box...
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