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    Atwork's Avatar
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    At Work Building a Vs Commodore Wagon baffle 4x 15" super street Build

    Hello All
    I'm starting on an ambitious project to build a SPL Car for For DB drag racing events.

    Target 155+ db: Class Super Street 3-4
    2014 dB Drag Racing*World Records

    Car: Holden VS Wagon

    Proposed system:

    Pioneer p99rs
    DEX-P99RS - Stage 4 Reference Series CD Receiver | Pioneer Electronics USA

    4 x 15" Soundstream splx 152 HF subwoofers.
    SPLX-152HF

    3x Braille deep cycle batteries with 1275 CCA each

    1x SoundStream mono block amp rated at 15,000 RMS drawing 1400 amps.
    Sound stream XXX-15000D at 12 Volt News - YouTube

    Have also brought 2 smaller 600rms mono blocks to run fronts individually

    To date I have made and installed the big 3: ( 0 gauge cable to engine bay ) ground chassis, ground engine block, pos to alternator.

    Ordered 50 sq feet of sound deadener ( Fat mat ) for chassis to reduce road noise/ out side noise and vibration.

    Today i had my first resonance test run (see below )
    system resonance 61hz with 1x 15" Total Recoil Sub 1000Rms just a spare i had floating around

    i only used an iphone with an FFT analyzer near where the set up the term pro mic for the drags...
    i know this may effect the out come using a iphone mic and also resonance may change after fat mat ( sound deadening ) is installed + the addition of sub cabinets.
    will re-test soon.

    any news of someone that has already done this will be very helpful.
    Cheers in advance







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    Re: At Work Building a Vs Commodore Wagon baffle 4x 15" super street Build

    love those cars, GOOD luck!




    1986 Nissan hardbody
    Hu:Kenwood Kmm-100u
    front:1 Cheep Kenwood speaker.
    Rear:the 3in of room behind my seat where my amp sits
    Sub:soon
    Amp:polk pa330
    Wiring:1/0 knu kca to 4gauge distribution block and 1/0 kca big 3

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