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Thread: Powering two 10" Subs

  1. #1
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    Powering two 10" Subs

    Hey everyone,

    I'm sure this question has been answered over and over again, but searching for "power two 10 subs" and "amp power 10 sub" doesn't come up with anything useful.

    I'm doing some research on which amplifier(s) and subwoofer(s) I'd like to put in my '05 Acura TL and I think I've settled on this combo:

    Kenwood KAC-9104D x 1

    Alpine SWR-1042D x 2

    I'm no electric expert by any stretch of the imagination. All the "ohm", "rms", and "watts" stuff is greek to me at this point. I'm really just looking for an explanation in layman's terms ...

    My main question is: Will that amp be enough to power those two subs? I'm not looking to have these subs blow paint off my car or be at their max power at all ... I just want to power two of them at a decent level and have a deep clear sound. In fact, I could probably pretty easily be convinced that two 10" subs will be too much for me, but I'm just the type of person who would rather have too much than too little.

    My second question: If you don't agree with the amp/sub combo listed above. Do you have any other recommendations?

    Much appreciated.

  2. #2
    MySQL Error soundman98's Avatar
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    it all personal preferance to me

    that setup should work-- the amp puts out 500 watts rms @ 4ohms, and one sub can handle 500 watts rms.

  3. #3
    Constant Bitrate
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    seems pricey to my cheap a$$...try craigslist or ebay and just get any old thing for way less and tweak it from there...

  4. #4
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    Quote Originally Posted by bramlet View Post
    seems pricey to my cheap a$$...try craigslist or ebay and just get any old thing for way less and tweak it from there...
    Agreed. I could definitely go down in price and get a cheaper amp and sub. I used to do it constantly, but I've just gotten to the point where I'd rather get a quality item and make sure it's going to last.

    Quote Originally Posted by soundman98 View Post
    that setup should work-- the amp puts out 500 watts rms @ 4ohms, and one sub can handle 500 watts rms.
    Thanks, man.

    Anyone else able to put a little more reinforcement behind "[i]that setup should work" ?

  5. #5
    Constant Bitrate Sleepyz0mby's Avatar
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    im no expert but this amp is really two separate amps stuck in one (30amp fuse X2 and non-bridge-able?)

    and one dual coil speaker is just a solution to use two unbridged amps right (left and right channel? or amp1 and amp2 ?)

    so your suggested setup would be to parallel both coils on each speaker dropping your resistance to 2 ohms per speaker times two speakers = 4ohms

    soooooo whats the point of adding another coil? looks cool though

    it seems like one speaker is a perfect match for one amp... somebody might have more input though, im still learning

    i would, however, find out what your current speakers low frequency cut off is and go from there cause nothin kills an expensive setup like dead spots

  6. #6
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    Quote Originally Posted by Logical View Post
    Hey everyone,

    I'm sure this question has been answered over and over again, but searching for "power two 10 subs" and "amp power 10 sub" doesn't come up with anything useful.

    I'm doing some research on which amplifier(s) and subwoofer(s) I'd like to put in my '05 Acura TL and I think I've settled on this combo:

    Kenwood KAC-9104D x 1

    Alpine SWR-1042D x 2

    I'm no electric expert by any stretch of the imagination. All the "ohm", "rms", and "watts" stuff is greek to me at this point. I'm really just looking for an explanation in layman's terms ...

    My main question is: Will that amp be enough to power those two subs? I'm not looking to have these subs blow paint off my car or be at their max power at all ... I just want to power two of them at a decent level and have a deep clear sound. In fact, I could probably pretty easily be convinced that two 10" subs will be too much for me, but I'm just the type of person who would rather have too much than too little.

    My second question: If you don't agree with the amp/sub combo listed above. Do you have any other recommendations?

    Much appreciated.
    Seeings how the subs are dual 4ohm voice coils, having a pair of them, the only way you would be able to wire them to that amp is 4ohm mono. At 4ohm mono that amp is putting out 500 watts rms. Which you then divide by 2 because your running two subs. which puts you at 250 watts rms per sub. Oh, rms watts is what you want to look at ignore peak watts. So, you'll be running those subs at half potential. Which might make that amp run harder than it should. I'd suggest a bigger amp or lower powered subs. Plus, I'm not a big fan of Alpine. If you're looking to spend that kind of money I'd look into Hifonics. I personally run there Brutus series.

  7. #7
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    They seem like a fair combination. What you'll want to do is run them at 1-ohm by running them in parrallel. This will pretty much guarantee that your amp is using all 900 watts that it's rated for. Type-R from Alpine seems to be a good line of equipment in general and Kenwood is a good name to so youll be choosing quality brands. The 900 watts is still technically underpowering the subs because each one can take 500 watts rms(constant power) but its still fine because youll still be running a good amount of power to them.

    Here is a picture of how you'll need to wire the subs to the amp. This stuff aint rocket science but I know it can get confusing I started off having no clue either too. You should be happy with this combination running at 1-ohm

  8. #8
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    Those subs are way too exspensive if you just want a lil more bass, two of those are trunk rattling for any honda/acura

    I recommend Infinity, I've got a single 10" in my Accord, and it sounds awsome
    Doesn't look like Crutchfield is selling it anymore, but they have this 12" for $50
    http://www.crutchfield.com/p_1081252...2w.html?tp=111

    I do however like that amp choice and it would work well with that infinity sub

  9. #9
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    Quote Originally Posted by traxxxstar View Post
    Those subs are way too exspensive if you just want a lil more bass, two of those are trunk rattling for any honda/acura

    I do however like that amp choice and it would work well with that infinity sub
    That's what I was wondering myself ... I think based on everyone's input I might just go with a single 10" or 12" after all. I don't want **** to sound "rattley."

    But from the sounds of it that amp is decent. Thanks everyone for the input!

  10. #10
    FLAC
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    i have those subs in 12" flavor. just one 12" sub on 400w, its just in a small truck so its plenty. they are nice, but honestly there are louder subs for the money. i really regret not getting an Image Dynamics IDQ sub, those things are insane for sound quality... the alpine type R subs are much more SPL subs then they are musical.... $150 free ship for the idq's here!

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