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  1. #1
    Forum Regular
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    Nov 2004
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    What do you think of this DIY Sub

    I am looking for advice on this DIY sub idea. I am thinking of building a dual sub (one enclosure) using two MTX thunder 7500's with each of the subs dual 4ohm voice coils wired in series then wired in parallel with each other with a final impedance of 4ohms. I was going to power these with the parts express 1000 watt sub amp, will this amp do the trick? and what size of box should i use? Looking for feedback on this idea, will it work or not? I presently have a B&W ASW675 and its serving the purpose but I feel the need for more bass, I should also mention that i plan on using this sub for just music listening and my choice of music is very broad. (rock, dance, country etc.) The rest of my system is: PSB Stratus Gold i's, NAD C372 driving the mids and tweets, NAD C272 driving woofers, Sony SACD2000 ES Cd player , room size is about 20' x 22' x 9' ceiling. Thanks.

  2. #2
    Forum Regular
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    Jan 2005
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    For music, I was steered into the Dayton Reference series drivers. I imagine others will concur. I have them running now, they really are excellent. Two of the 12.00's ought to rumble nicely, yet sound good for music.

    jocko

  3. #3
    Forum Regular
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    I can't believe no other opinions on this. I bet it would ungodly crank.

    jocko

  4. #4
    The Collector
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    Sep 2003
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    Springfield, MA
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    it would probably get really loud but you could do the same with some Dayton drivers and they would sound a lot better

  5. #5
    Forum Regular royphil345's Avatar
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    Apr 2002
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    If you use the Daytons, you'll be able to get better info on the correct box size for a home environment.

  6. #6
    Forum Regular
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    Nov 2004
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    I agree the daytons look and probably sound good but the problem is that they are 4ohm, and if i parellel them the new load on the amp is only 2ohm, this load is not recommended for their 1000watt plate amp.
    Nad C372
    Nad C272
    Yamaha RXV596
    PSB Stratus Goldi
    B&W ASW 675 Sub
    Sony CDC 2000ES

  7. #7
    DIY Dude poneal's Avatar
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    Sep 2003
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    TX, USA
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    677

    So series them for an 8ohm load

    Easies to drive anyway. You will not get the advantage of 3db boost but you power handling will go up.

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