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    HU pre-out & amp gains!

    So i have a head-unit that puts out around.5-.6 volts and im using a y splitter from the mono out-put. The thing is my amp gains have to be set to 75-80% to achieve the disired level of bass. Along with the gains cranked up i also have the bass boost at like 6db..
    As for what im running its a hifonics glx 1400.1d pair with two 15inch kicker cvrs @ 1ohm.
    Anysugguestions? I dont want to damage the amplifier having it cranked up the high but the thing is it really doesnt get that hot.
    Dont use the gain as a volume knob....i know but seems to me at this point it has to be done.







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    Re: HU pre-out & amp gains!

    As long as you can hit the power level you want, you're good. It doesn't make the amp "work harder" to have the gain up high.



    dave
    ----------
    1999 Buick Park Ave Ultra
    Head Unit: JVC KWHDR720
    EQ: Audiocontrol EQL
    Front Stage: Hybrid Audio Technologies Imagine 5.25 mids, Morel Maximo tweets
    Sub Stage: Boston G3 10", 0.5 cu ft sealed
    Amp: PPI Phantom 900.4
    Rear Fill: Boston SE953 6X9's

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    Re: HU pre-out & amp gains!

    does the headunit have a sub level control? and are you saying the HU puts out .5 - .6 or 5-6 those dots make a HUGE difference. what headunit do u have?



    HU-- Jensen vm9224bt double din
    Sub -- T3 TSS custom built by Corey Dean
    Amp -- American Bass XD3000

    refs: mylows10, princ3cmo, cthedinger, cjwoods, nuboot, evilsaint, skaraudio x2, brodeisel, omegabunny x2, Louisiana_CRX

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    Re: HU pre-out & amp gains!

    It's output volt is around .5, I called the manufacture and that's what they told me. It's a mono output with no sub control.




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    Re: HU pre-out & amp gains!

    What HU would that be?



    dave
    ----------
    1999 Buick Park Ave Ultra
    Head Unit: JVC KWHDR720
    EQ: Audiocontrol EQL
    Front Stage: Hybrid Audio Technologies Imagine 5.25 mids, Morel Maximo tweets
    Sub Stage: Boston G3 10", 0.5 cu ft sealed
    Amp: PPI Phantom 900.4
    Rear Fill: Boston SE953 6X9's

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    Re: HU pre-out & amp gains!

    If you pat attention to the Hifonics amp the gain is actually marked in HU output and all the way up is .2V so if your at .5-.6 it will be way up.




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    Re: HU pre-out & amp gains!

    Get a new HU if you want to fix the "issue".






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    (Car Audio Addicts Anonymous)
    Refs http://www.caraudio.com/forums/buyer-seller-feedback/278560-nismos14-feedback-refs-thread.html


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    Re: HU pre-out & amp gains!

    Everyone talks about gains and not using it as a volume knob, well by me having it at 80% to meet my .5 volt output isnt that kinda using it as a volume knoB? I mean the amp doesnt really get that hot butt it does pop 120amp fuses under the good if i pound for to long. I am just trying to perserve the life of my amplifier thats all. But Once i hit the lottery steve here i come!




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    Re: HU pre-out & amp gains!

    Seriously man, get a deck with a dedicated sub out and at least 2v out.



    HU-- Jensen vm9224bt double din
    Sub -- T3 TSS custom built by Corey Dean
    Amp -- American Bass XD3000

    refs: mylows10, princ3cmo, cthedinger, cjwoods, nuboot, evilsaint, skaraudio x2, brodeisel, omegabunny x2, Louisiana_CRX

    if i helped you out please remember to click thanks.

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    Re: HU pre-out & amp gains!

    No, you're using it how you're supposed to. To match the input voltage to the ouput.






    Car audio IS an addiction.
    C.A.A.A Member #1
    (Car Audio Addicts Anonymous)
    Refs http://www.caraudio.com/forums/buyer-seller-feedback/278560-nismos14-feedback-refs-thread.html


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