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  1. #1

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    Default Single SR 10 sub. Which amp?

    I'm considering either the Xtant 6.1 (600w mono) or the Diamond Audio D61000.1 (500w @ 2ohm) to run a 4 ohm DVC SR 10" sub. I'm considering the Xtant for the SQ and a tad more power but it's also gonna cost me about $100-140 more. Is it worth it??? What do you guys think? I want great SQ but the potential for some output. OEM deck BTW, nothing aftermarket.
    Never kick a fresh turd on a hot day.

    Home Setup: Sony VPL-VW85 Projo, 92" Stewart Firehawk, Pioneer Elite SC-65, PS3, RTi12 fronts, CSi5, FXi6 rears, RTi6 surround backs, RTi4 height, MFW-15 Subwoofer.

    Car Setup: OEM Radio, RF 360.2v2, Polk SR6500 quad amped off 4 Xtant 1.1 100w mono amps, Xtant 6.1 to run an eD 13av.2, all Stinger wiring and Raammat deadener.

  2. #2
    Polk Engineer
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    Default

    C500.1

  3. #3

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    Of course the best choice would be the 500.1

    BUT, Xtant effing rules!

    If your choice is between Xtant and anything else, get the Xtant.

    Ultimate build quality, tons of clean power, a host of tuning features and very cool looks.
    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

  4. #4

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    I could get the Polk 500 but I have a feeling they are going to be remodelled fairly soon so I'm not sure about that yet. I can get it for $100 less than the Diamond and $110 less than the Xtant. My prices were wrong earlier (off top of head, not actually looking at my prices). The Xtant is $10 more than the Diamond. I could get the Diamond and a dual 2ohm sub to get a full 1kw. Hmmmmmm
    Never kick a fresh turd on a hot day.

    Home Setup: Sony VPL-VW85 Projo, 92" Stewart Firehawk, Pioneer Elite SC-65, PS3, RTi12 fronts, CSi5, FXi6 rears, RTi6 surround backs, RTi4 height, MFW-15 Subwoofer.

    Car Setup: OEM Radio, RF 360.2v2, Polk SR6500 quad amped off 4 Xtant 1.1 100w mono amps, Xtant 6.1 to run an eD 13av.2, all Stinger wiring and Raammat deadener.

  5. #5

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    Xtant
    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

  6. #6

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    I think either choice would be a good one.
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
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  7. #7

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    so would you rather put 500w to it at 2 ohm or 1k at 1ohm? I'd have to order the dual 2 ohm while we stock the dual 4. I'm leaning towards the Xtant with the dual 4. Building a box that sits "sideways" and is mounted to my rear deck. Then have it fill a chamber that is now using the OEM sub cutout as a way directly into the car. Have it sealed off so the trunk gets as little to no sound as possible. I'm sure 500w will be plenty for that.
    Never kick a fresh turd on a hot day.

    Home Setup: Sony VPL-VW85 Projo, 92" Stewart Firehawk, Pioneer Elite SC-65, PS3, RTi12 fronts, CSi5, FXi6 rears, RTi6 surround backs, RTi4 height, MFW-15 Subwoofer.

    Car Setup: OEM Radio, RF 360.2v2, Polk SR6500 quad amped off 4 Xtant 1.1 100w mono amps, Xtant 6.1 to run an eD 13av.2, all Stinger wiring and Raammat deadener.

  8. #8

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    If placed in the proper enclosure, 500 watts will be more than enough to get the sub going.
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
    KnuKonceptz
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  9. #9

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    Quote Originally Posted by Toxis
    so would you rather put 500w to it at 2 ohm or 1k at 1ohm? I'd have to order the dual 2 ohm while we stock the dual 4. I'm leaning towards the Xtant with the dual 4. Building a box that sits "sideways" and is mounted to my rear deck. Then have it fill a chamber that is now using the OEM sub cutout as a way directly into the car. Have it sealed off so the trunk gets as little to no sound as possible. I'm sure 500w will be plenty for that.
    They dont have a dual 2 ohm SR sub. Its either single 4 ohm or dual 4 ohm so the 1 ohm operations aint gonna work unless you buy a pair of DVC subs.

    The Polk C500.1 will make 600 watts RMS and the Xtant will make a good bit more than 600. Id say youd be closer to 700 with the Xtant.
    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

  10. #10

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    No need to get close, as you will get all the performance you need before giving that sub 700 watts.
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
    KnuKonceptz
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  11. #11

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    word up... now I just have to fight the urge to upgrade the fronts. :)
    Never kick a fresh turd on a hot day.

    Home Setup: Sony VPL-VW85 Projo, 92" Stewart Firehawk, Pioneer Elite SC-65, PS3, RTi12 fronts, CSi5, FXi6 rears, RTi6 surround backs, RTi4 height, MFW-15 Subwoofer.

    Car Setup: OEM Radio, RF 360.2v2, Polk SR6500 quad amped off 4 Xtant 1.1 100w mono amps, Xtant 6.1 to run an eD 13av.2, all Stinger wiring and Raammat deadener.

  12. #12
    Polk Engineer
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    Quote Originally Posted by Toxis
    I could get the Polk 500 but I have a feeling they are going to be remodelled fairly soon so I'm not sure about that yet.
    That's probably not a correct feeling... just a subtle hint :)

  13. #13
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    And Polk > Xtant. Its been proven thousands of times!

  14. #14

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    ..........................
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
    KnuKonceptz
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  15. #15

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    Quote Originally Posted by bknauss
    That's probably not a correct feeling... just a subtle hint :)
    Are there any plans maybe in the somewhat near future to release a line of amps that is styled moreso to the SR line than the momo?
    .
    comment comment comment comment. bitchy.
    .
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  16. #16

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    i have the sr124-dvc and am going to use my zapco c2k-3.0 rated at 600 watts into 2 ohm bridge. in real life it puts out about 700 watts. its expensive, but they are rock solid amps with a damping factor of over 1000 to really control cone movement.

  17. #17
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    Quote Originally Posted by brettw22
    Are there any plans maybe in the somewhat near future to release a line of amps that is styled moreso to the SR line than the momo?
    subtle hint: don't hold your breath.

  18. #18

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    Quote Originally Posted by killerb
    i have the sr124-dvc and am going to use my zapco c2k-3.0 rated at 600 watts into 2 ohm bridge. in real life it puts out about 700 watts. its expensive, but they are rock solid amps with a damping factor of over 1000 to really control cone movement.

    I too have amplifiers with very high damping factors :D .
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
    KnuKonceptz
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  19. #19

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    Damping factors... great on paper, worthless in real life.
    Never kick a fresh turd on a hot day.

    Home Setup: Sony VPL-VW85 Projo, 92" Stewart Firehawk, Pioneer Elite SC-65, PS3, RTi12 fronts, CSi5, FXi6 rears, RTi6 surround backs, RTi4 height, MFW-15 Subwoofer.

    Car Setup: OEM Radio, RF 360.2v2, Polk SR6500 quad amped off 4 Xtant 1.1 100w mono amps, Xtant 6.1 to run an eD 13av.2, all Stinger wiring and Raammat deadener.

  20. #20

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    Quote Originally Posted by Toxis
    Damping factors... great on paper, worthless in real life.

    Couldnt agree more!
    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

  21. #21
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    Damping factor is actually important... but its unimportant to most consumers since it doesn't generally affect anything out on the market and there are too many ways to post its value.

  22. #22

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    Isnt it like THD specs in that while true .004% is better than .04% but it doesnt matter because you cant hear anything below 1%?

    I kinda figure any damping factor over 50 or so and youre fine.
    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

  23. #23

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    I will still stick with my Arc amps :D.
    Alpine: CDA-7949
    Alpine: PXA-H600
    Alpine: CHA-S624, KCA-420i, KCA-410C
    Rainbow: CS 265 Profi Phase Plug / SL 165
    ARC Audio: 4150-XXK / 1500v1-XXK
    JL Audio: 10W6v2 (x2)
    KnuKonceptz
    Second Skin

  24. #24
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    Quote Originally Posted by MacLeod
    Isnt it like THD specs in that while true .004% is better than .04% but it doesnt matter because you cant hear anything below 1%?

    I kinda figure any damping factor over 50 or so and youre fine.
    You're on the right track. But 50 measured which way? There's the problem right there... hard to quote a number that means anything when there are different ways to measure it.

  25. #25

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    My understanding is that its measured by the load impedance divided by the amps internal impedance?

    If thats the case and most amps that Ive seen specs on have around 1 ohm or less internal resistance and a typical load is 4 ohms, a typical amp with these numbers would have a damping factor 4/1 = 4! Maybe if the amp had .05 internal impedance youd have 4/.05 = 80. So basically an amp would have to have an insanely low .005 ohms internal resistance in order to have an 800 damping factor! And to my knowledge, there arent any amps with that low of internal resistance.

    Isnt this right or have I missed the boat completley?

    Remeber, I have an EXTREMELY limted understanding of this so be gentle! ;)
    Last edited by MacLeod; 09-11-2006 at 07:51 PM.
    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

  26. #26

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    http://www.classic-audio.com/marantz...ingfactor.html
    this explains alot about the damping factor subject. i didnt know speaker wire size can play a big part in damping factor values. i dont know anymore but the amps i like and buy always had very high damping factors, like zapco and u.s. amps. i just like quality amps, buy it once and it lasts.

  27. #27

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  28. #28

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    Good links.

    I think I understand it now.
    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

  29. #29

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    yeah i finally do to. there is virtually no change in decay time through a wide range of damping factors which is surprising to me. good info for all.

  30. #30

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    well xtant is consider high quality stuff the price of it says alot and they did their research in car audio its ur choice.

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