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  1. #1

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    Exclamation setting crossover in car audio



    Hello,

    can anyone help as to how to set crossover for my polk momo and polk db speakers.

    padmanabhan
    bangalore

  2. #2

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    Try posting in the car audio & electronics.

    Good Luck
    Living Room Monitor 60's*CS2*FXi A6's*VSX 21txh*BD-P1590
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  3. #3

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    Are these your main speakers, subwoofers, or both? A good point to start out at is 80Hz. If your mains can dig deeper without affecting clarity or becoming distorted, then feel free to set your crossover lower. Personally, I cross mine over at 60Hz because my main speakers can get the job done cleanly down to there.

    Give me more information about your system and I'll try to help you out even more.
    - Computer Rig -
    YAΘIN MS-20L, polkaudio RT5

    - Main Rig -
    Pioneer SC-37, DIY Statements, Samsung 52" LCD

  4. #4

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    Definitely repost in Car Audio if you need the help. Things to add:

    Exact speaker model or sizes
    Are you running active?
    What are your crossover options?
    How loud do you listen to them?

  5. #5

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    Exclamation details regarding my speakers

    Quote Originally Posted by JimAckley View Post
    Are these your main speakers, subwoofers, or both? A good point to start out at is 80Hz. If your mains can dig deeper without affecting clarity or becoming distorted, then feel free to set your crossover lower. Personally, I cross mine over at 60Hz because my main speakers can get the job done cleanly down to there.

    Give me more information about your system and I'll try to help you out even more.


    Dear jimackley

    Here are the details of my speakers and head unit.

    Front speakers:polk db401 - fre. response :85hz to 22khz
    back speakers: polk momo MMC690: FREQUENCY RESPONSE:33hz to 25khz
    head unit : pioneer DEH4290SD/XNID

    Kidly let me know as to whether i can use the hpf setting in headunit.it is upto125hz. I am fosgate amp wherin i have lp,hp and all pass.

    Can i set the hpf in head unit to 60hz so that everything is taken care as in amp it is set to all pass.

    Kindly help me out

    Padmanabhan
    Bangalore

  6. #6

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    Exclamation details regarding my speakers

    Quote Originally Posted by JimAckley View Post
    Are these your main speakers, subwoofers, or both? A good point to start out at is 80Hz. If your mains can dig deeper without affecting clarity or becoming distorted, then feel free to set your crossover lower. Personally, I cross mine over at 60Hz because my main speakers can get the job done cleanly down to there.

    Give me more information about your system and I'll try to help you out even more.


    Hi jimackley

    AS required, i have sent details of my speakers. kindly help me out

    nambi
    Bangalore

  7. #7

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    My apologies for taking so long to get back to you. Which model amplifier is it, and which speakers do you have hooked up to it?

    Sorry for so many questions, but I want to make sure I have all of the details straight so I can help you best.
    - Computer Rig -
    YAΘIN MS-20L, polkaudio RT5

    - Main Rig -
    Pioneer SC-37, DIY Statements, Samsung 52" LCD

  8. #8

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    Exclamation Urgent message

    Quote Originally Posted by JimAckley View Post
    My apologies for taking so long to get back to you. Which model amplifier is it, and which speakers do you have hooked up to it?

    Sorry for so many questions, but I want to make sure I have all of the details straight so I can help you best.


    Dear jimackley,

    Here are the details:

    Front speakers:polk db401 - fre. response :85hz to 22khz
    back speakers: polk momo MMC690: FREQUENCY RESPONSE:33hz to 25khz
    head unit : pioneer DEH4290SD/XNID
    Amplifier: 2 channel fosgate amplifier

    Setup: amplifier is connected to back speakers only. There is no subwoofer.

    Right now i have set the amp to 30% of max value and crossover is set to all pass and hpf on head unit set to zero.

    Tell me whether setting is the optimum setting or i have to change.

    Looking forward to your early reply.

    nambi
    Bangalore

  9. #9

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    If the amplifier is on the rear speakers, then I would run it full range.

    When you have the budget for it, I would invest in a 2-channel amplifier to power your front speakers, or sell your 2-channel and buy a powerful 4-channel amplifier. By doing that, it will allow you to hit higher volumes while keeping the signal clean. Plus you can cross over the fronts so they aren't trying to reproduce frequencies below their capabilities. Personally, I wouldn't buy anything that was under 100w RMS per channel.

    Hope this helped.
    - Computer Rig -
    YAΘIN MS-20L, polkaudio RT5

    - Main Rig -
    Pioneer SC-37, DIY Statements, Samsung 52" LCD

  10. #10

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    I agree with JimAckley...a 125x 4 channel amp with 3 channel capabilities would suit you well..as far as with what you have now?.im not sure i would run any X-over.. due to the fact im assuming your rears are loaded from the trunk and the fronts the doors.. i tend to find the natural balance of the cars acoustics and make it work to my advantage instead of fighting the variable..resonance friend or foe?.lol.good luck.but still think of finding a better suited amp or amps.
    Read thspecs,

    read the reviews, do the research but most importantly...Listen and make your own decisions.
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