Question about dual 4 ohm subs

just
just Posts: 9
edited January 2005 in Car Audio & Electronics
Will two dual 4 ohm subs bridged to a 2 channel amp equal a 4 ohm mono load? If the amp is 150x2 @ 4 ohms and 600x1 @ 4 ohms bridged, wouldn't I get 300 watts to each sub?
Post edited by just on
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  • MacLeod
    MacLeod Posts: 14,358
    edited January 2005
    Yes but only if you wire them in series.

    Wire them in parallel and youre looking at a 1 ohm load and a fried amp! But hook em up series and it will be a 4 ohm mono load.
    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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  • just
    just Posts: 9
    edited January 2005
    Do you mean wire the voice coils in series and the subs in parallel?

    Is that what your saying?
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  • TrappedUnder Ice
    TrappedUnder Ice Posts: 975
    edited January 2005
    you can do either way: VC's parallel- series to the amp or series the VC's and parallel to the amp. Second choice is probably more popular.

    4/2=2.... 2+2=4
    4+4=8... 8/2=4
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  • MacLeod
    MacLeod Posts: 14,358
    edited January 2005
    This would be 2 DVC subs wired in series and would present a 4 ohm mono load.

    Amp left positive to-
    sub 1/VC1 positive

    sub 1/VC1 negative to
    sub 1/VC2 positive

    sub 1/VC2 negative to
    sub 2/VC1 positive

    sub 2/VC1 negative to
    sub 2/VC2 positive

    sub 2/VC2 negative to
    amp right negative

    At least I think thats right. This stuff makes my eyes cross! :confused:
    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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  • exalted512
    exalted512 Posts: 10,735
    edited January 2005
    sounddomain, crutchfield, jl, rf, the12volts websites all have wiring diagrams for every type of configuration imaginable
    -Cody
    Music is like candy, you have to get rid of the rappers to enjoy it
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