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  1. #1

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    Default The 12" SR124 DVC

    I'm new to polk audio, i just bought two of the 12" SR124 DVC's
    was wonder what everyone thought about them?
    ive got another thread on the other car one with another question, if u wanna check that out to that'd be cool, peace.

  2. #2

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    Havent heard em yet but after owning several Polk products over the years, Im sure theyll sound pretty damn good.
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D

  3. #3

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    excellent sub!!! my favorite by far. i can only descibe them as a velvet hammer!
    kenwood excelon kdc-x991 h.u.
    Rockford Fosgate 360.3 DSP
    Rockford Fosgate POWER1000 running entire system
    Image Dynamics IDQ12 Sub
    Morel Elate 6 front stage

  4. #4

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    I have ONE 10 dvc dvc sr sub. and my ONE TEN inch sub was enough to give me a headache in my suv. You chose the correct sub

  5. #5

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    I have a question about these subs (sr124 dvc). i'm in the market to buy two of these. I'm currently building a fiberglass enclosure and i'm ready to start laying down the matting. but before i do so, i wanna make sure these will fit. I know the mounting depth is just under 20cm... but i'm assuming that's in the centre. The subs are going to be on an angle, and so I need to know how far they go in from the edges. I'll have more than enough room if I know that the 20cm depth area is in the centre only, an inch or two from the edge. It'd be bitch to build an enitre box only to find out that I can't use it.

    Thanks in advance!

  6. #6

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    What is the difference between DVC and not having the DVC at the end of the model number? Can you compare these subs to the MOMO's and JL 12W6v2's?

  7. #7

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    DVC is dual voice coil. If youve got a mono amp and want to run a single sub at a 2 ohm load, then the DVC is the one you need. Otherwise, just get the single voice coil model.
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D

  8. #8

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    Is there any difference in sound quality?

  9. #9

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    no, there is no sound difference, just diiferent wiring confiurations.

    check this website for dvc wiring.

    http://mobile.jlaudio.com/support_pages.php?page_id=161

  10. #10

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    Quote Originally Posted by ford01explorer View Post
    no, there is no sound difference, just diiferent wiring confiurations.
    That's not "entirely" true. The DVC's have dual spiders, which makes them heaver to move with an amplifier. In turn, they are not as tight.

    Now, honestly this doesn't matter because you really can't hear this difference. But it does mean that at the same load, the SVC will be slightly louder than a DVC.

    If you are getting 2 DVC's then you are going to have to use an amplifier that is stable down to 1 ohm (rare), or run them at 4 ohms. If you are using a single amp that is 2 ohm stable, you would be better off using 2 SVC's wired in parallel.

  11. #11

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    "That's not "entirely" true. The DVC's have dual spiders, which makes them heaver to move with an amplifier. In turn, they are not as tight."

    Thats not "at all" true. Aside from the voice coils, DVC's & SVC's are built identical & even the svc SR sub has dual spiders. The only difference is more wiring options on a DVC which could give you a lower ohm load so you get more power from your amp if you need.

  12. #12

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    there are lots of 1 ohm stable d class amps out there. i run a massive audio amp. they are great amps for the money, 1500 watts@ 1 ohm with no problems at all.
    kenwood excelon kdc-x991 h.u.
    Rockford Fosgate 360.3 DSP
    Rockford Fosgate POWER1000 running entire system
    Image Dynamics IDQ12 Sub
    Morel Elate 6 front stage

  13. #13

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    Um...then why do the SVC's have different thiele/small parameters?


    SVC DVC
    Fs 29hz 30hz
    Qts 0.53 0.55
    Qes 0.58 0.60
    Qms 6.9 8.0
    Mms 200g 183g

  14. #14

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    Never said the T/S parameters were the exact same, but they are still very close that you couldnt tell an audible difference. And the info you posted shows that moving mass is actually lower on the DVC's, but again nobody will be able to hear a difference in 17g difference.

  15. #15

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    Im sure you could get some kind of measuring device that could pick out a difference between SVC and DVC subs. However, your ears aint gonna be one of those devices. So essentially, there is NO SQ difference between SVC and DVC subs (so long as theyre the same brand and model of course).
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
    08 Car Audio Nationals 1st ~ 07 N Georgia Nationals 1st ~ 06 Carl Casper Nationals 1st ~ USACi 05 Southeast AutumnFest 1st

    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D

  16. #16

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    These sub's sound amazing...they are by far, my ALL-TIME favs...except I blew one the other day... 2 SR124-DVC's hooked up series-parallel to my Alpine PDX 1.1000...I'll let you know how the warranty procedure treats me...

  17. #17

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    buy the DVC, its the same as the SVC but with more wiring options.

    the SVC should be at 4 Ohms
    the DVC can be at 2, or 4 Ohms...

    and the price is the same.
    /////Alpine CDA-9887 HU
    /////Alpine KTX-1000EQ
    /////Alpine PDX-4.100
    /////Alpine PDX-1.1000
    Polk Audio SR 6500
    Polk Audio SR 124 DVC
    KnuKonceptz Kristal Kable

  18. #18

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    Quote Originally Posted by sporttractuner View Post
    These sub's sound amazing...they are by far, my ALL-TIME favs...except I blew one the other day... 2 SR124-DVC's hooked up series-parallel to my Alpine PDX 1.1000...I'll let you know how the warranty procedure treats me...
    i recently but that amp, and i have just one DVC

    how is your gain on the amp?
    /////Alpine CDA-9887 HU
    /////Alpine KTX-1000EQ
    /////Alpine PDX-4.100
    /////Alpine PDX-1.1000
    Polk Audio SR 6500
    Polk Audio SR 124 DVC
    KnuKonceptz Kristal Kable

  19. #19

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    Quote Originally Posted by Kinetic View Post
    buy the DVC, its the same as the SVC but with more wiring options.

    the SVC should be at 4 Ohms
    the DVC can be at 2, or 4 Ohms...

    and the price is the same.
    actually the DVC model can only be wired into 2-ohms or 8-ohms bro (not 4-ohms). This is assuming your only using a single sub ofcourse.

    The reason they have two models of subs (SVC and DVC) is so you can properly match with your amp and maximize performance.

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