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  1. #1

    Member Sales Rating: (0)

    Join Date
    Mar 2007

    Thumbs up You guys were right!

    I stepped up and replaced my 70 watt per channel Alpine amp with an Alpine PDX4.150 unit. I was worried it might be too much power, but you guys said no problem. The sound difference is phenomenal, deep mid bass response, and a real sense of clarity. The change in the soundstage is striking! The Sr6500's eat the power up, and I have not had a problem with the rear MMC's pulling the sound away. I am using a front bias with time delays. Some of the XM sound effects they play during the day can startle! I love the sound, I have always wanted good crisp clean sound, I find that I can for the most part leave my EQ flat across the board. The speaks need that power! I buttoned every thing up with a good cable routing, and a nice main breaker 1/0 cable feed to the rear with a nice fused distro block to feed #4 wires to the amps. The grounds were bonded to the car with a multi stainless steel screw plate that was undercoated over top and bottom. I sure enjoyed this project and have been rewarded with clean power and the sweetness that comes with 30 to 40 hours of breaking in the SR's.
    Pioneer Premier DEH -7800MP
    Polkaudio -- SIGNATURE REFERENCE SR6500
    Rear MMC6500
    /////ALPINE MRP-M450
    /////ALPINE PDX 4.150
    2 X Polk MOMO 2084 in Q Logic Box
    2006 Tundra Access Cab

  2. #2

    Member Sales Rating: (0)

    Join Date
    May 2004
    San Diego, Ca


    Glad to hear things are coming together.... always a nice thing :).
    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)
    Second Skin

  3. #3

    Member Sales Rating: (0)

    Join Date
    Dec 2003
    Chattanooga, TN


    Upgrading is always a good thing! :D

    I plan on eventually going with bigger power for my beloved SR's in the future as well.
    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

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