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  1. #1

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    Default Sr6500 + Pdx 4.100?

    I was just wondering if running the Alpine PDX 4.100 bi-amped to the SR6500's would be sufficient or if I should go with the 4.150 instead.

    The 4.100 sends 100W RMS while the 4.150 send 150W RMS.

    Would it be better to power the SR6500's bi-amped with 100W or 150W.

    I just want to be sure I don't overpower or under power the components.

    thanks.

  2. #2

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    4.100 is plenty imo

  3. #3

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    So you would recommend running them bi-amped at 100W to each driver? I also have the option of running them with 200W bridged.

  4. #4

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    more power means higher volumes at cleaner levels and less strain on the amp, so if money isnt an issue, go with the 150, just be carefull with your gains and make sure they are properly set.
    2013 Toyota Prius
    Audible Physics 3 Way: H6MB, AR3-A, AR2.0
    Image Dynamics iDMax 12" D2v4
    (2) Alpine PDX-V9 Bridged, Alpine PDX-M12 (500w Mid-Bass, 200w Mid, 200w Tweet, 1200w Sub)
    Mosconi 6to8 v8

  5. #5

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    A friend of mine says, "get as much power as you can afford." So if you can swing the 150.4 then get it. Youll have plenty of headroom and good clean power. Just remember that youre giving your speakers twice their rated power but as long as you use common sense youll be 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

  6. #6

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    i have the polks on a PDX-4.100 bridged at 200 RMS, (with still a wierd sound on the amp) ant the level its at a quarter, becouse my HU is 4V, so i have 100RMS of clean power

    but if i could go back on time, i would buy the PDX-4.150

    PDX + Polk its a exelent combination
    Last edited by Kinetic; 02-11-2008 at 08:46 PM.
    /////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

  7. #7

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    dont do it! that amp blows big time! I went thru 3 of them before finally just going with a JL SLASH series 4 channel

  8. #8

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    i have my SRs with the PDX 100

    now i recently bought the PDX 150

    i dont need more power, i just want to have my 100 RMS as clean as i can
    /////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

  9. #9

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    Quote Originally Posted by Kinetic View Post
    i have the polks on a PDX-4.100 bridged at 200 RMS, (with still a wierd sound on the amp) ant the level its at a quarter, becouse my HU is 4V, so i have 100RMS of clean power

    but if i could go back on time, i would buy the PDX-4.150

    PDX + Polk its a exelent combination
    i have the same exact setup and feel the same exact way.

    should go with 4.150

  10. #10

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    I know several people running PDX amps with no problems.
    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

  11. #11

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    The only thing I've heard about the PDX amps is they can introduce noise when bridging.

    Jl on the other hand, I've heard of quite a few where channels 1&2 or 3&4 will go out.

    I think they're both good but some have had issues.
    HU: 880PRS
    Front: SR6500
    Amp: Alpine MRV-F545
    Sub: SR124-DVC
    Amp: Alpine MRD-M1005

  12. #12

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    Quote Originally Posted by dirthog View Post
    The only thing I've heard about the PDX amps is they can introduce noise when bridging.

    Jl on the other hand, I've heard of quite a few where channels 1&2 or 3&4 will go out.

    I think they're both good but some have had issues.
    thats true...

    but i alpine says, that the new ones doesnt have that problem, but ive doubt it

    i want the 4.150 to bi amp.

    channel 1 and 2 goes to my tweeters, and 3 and 4 to my woofers (mids)

    with that, i can turn the gain of the tweeters with respect to the gain of the woofers.

    Also the time alignement is way more efective this way..
    /////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

  13. #13

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    Quote Originally Posted by Kinetic View Post
    Also the time alignment is way more efective this way..
    Sounds like a good plan but time alignment is not effected by gain. You might get that sense because level adjustments can shift imaging.

    Or are you saying because your bi-amping time alignment will more effective?
    HU: 880PRS
    Front: SR6500
    Amp: Alpine MRV-F545
    Sub: SR124-DVC
    Amp: Alpine MRD-M1005

  14. #14

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    Quote Originally Posted by dirthog View Post
    Sounds like a good plan but time alignment is not effected by gain. You might get that sense because level adjustments can shift imaging.

    Or are you saying because your bi-amping time alignment will more effective?
    i mean becouse of the bi amping, my time alignement on my alpine HU, is more accurate.

    becouse i have a channel per driver, instead a channel, for left woofer and tweeter, and a channel for right woofer and tweeter.
    /////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

  15. #15

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    gotch ya
    HU: 880PRS
    Front: SR6500
    Amp: Alpine MRV-F545
    Sub: SR124-DVC
    Amp: Alpine MRD-M1005

  16. #16

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    sorry if my english isnt very good...
    /////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

  17. #17

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    Quote Originally Posted by Kinetic View Post
    sorry if my english isnt very good...
    No need to apologize, you should hear my Spanish. I recently went to Dominican Republic and I felt dumb.
    HU: 880PRS
    Front: SR6500
    Amp: Alpine MRV-F545
    Sub: SR124-DVC
    Amp: Alpine MRD-M1005

  18. #18

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    I have that exact amp except ran on a pair Boston Acoustics Pro60. Could anybody tell me what my amp settings should be on that?

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