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Thread: help!!!

  1. #1

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    Default help!!!

    guys i really need your help


    i have the following:

    sr6500 up front
    pdx-4 100 amp
    pdx-1 600 amp
    sr124 sub
    Alpine 7887 radio

    when i first start the car, i get a discharge noise from the front driver speaker, sounds like power discharging, last about 2 mins then goes away, some times when i put the music up then turn it down the noise comes on then goes away after 2 seconds

    i have my amps grounded to my cap, is it possible its that? i returned the pdx 4-100 three times, all three amps made this noise, what the heck could it be?

  2. #2

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    Yup, there is a good chance its your ground. Ground your amps to the chassis.
    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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    everything is grounded to the chassis...still have the same exact noise

    anyone?

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    you need to check and make sure none of your RCAs and speakers wires are pinched/cut.
    -Cody
    Music is like candy, you have to get rid of the rappers to enjoy it

  5. #5

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    yea i thought of that..but wouldnt it make the noise all the time if it were that? not jsut the first 1-3 mins the car starts up?

  6. #6

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    Didnt catch that. Sounds like a faulty radio/amp.
    -Cody
    Music is like candy, you have to get rid of the rappers to enjoy it

  7. #7

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    well i replaced the speaker wire, and changed the rcas, and replaced the headunit...same noise....the amps been changed 4 times...should i try a different amp? all ive done is change from pdx to pdx...

    maybe i have bad polks up front? any one have issues with the sr6500?

  8. #8

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    Man, stuff like that is near impossible to diagnose over the internet. Even though its grounded to the chassis, you might want to move it somewhere else.
    -Cody
    Music is like candy, you have to get rid of the rappers to enjoy it

  9. #9

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    Quote Originally Posted by shawnberry45 View Post
    guys i really need your help


    i have the following:

    sr6500 up front
    pdx-4 100 amp
    pdx-1 600 amp
    sr124 sub
    Alpine 7887 radio

    when i first start the car, i get a discharge noise from the front driver speaker, sounds like power discharging, last about 2 mins then goes away, some times when i put the music up then turn it down the noise comes on then goes away after 2 seconds

    i have my amps grounded to my cap, is it possible its that? i returned the pdx 4-100 three times, all three amps made this noise, what the heck could it be?

    same amp same problem

    i already buy a PDX 150, its suppossed to be here next week.
    the PDX 100 is going back to Alpine for a change
    /////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

  10. #10

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    the problem its suppossed to be on the grounds of the pre 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

  11. #11

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    damn i knew it was the amp!!! I just bought the JL slash 300/4 4 channel ..its comin on Monday. The hell with PDX! ill post my findings once the new amp is in. thank you so much for your post!

  12. #12

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    well after 3 alpine amps, tons of checking speakers, wire, changin headunits...i installed another brand amp....the JL Slash 300/4

    no issues at all!!! Screw Alpine amps and the PDX! Never again!

    Finally I have peace. Thank you everyone for your help!

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