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Thread: Tuning with a subwoofer

  1. Back To Top    #11

    Re: Tuning with a subwoofer

    Makes sense! Thanks.


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  2. Back To Top    #12
    Noob Jdunk54nl's Avatar
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    Re: Tuning with a subwoofer

    Granted,
    if you follow Andy's gain setting advice, you can always tune with both signals going to the sub, then just increase the dsp side output level by whatever you need.
    2014 F150 Limited -> Kenwood DDX-9907xr -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 mki in Valicar Stuttgart Pods, Rear SB17's, Sub SI BM MKV's in MTI BOX. Alpine PDX-F6 -> SI Tm65 mkIV, SI M3 mkI in Valicar Stuttgart Pods

  3. Back To Top    #13

    Re: Tuning with a subwoofer

    Now, would you unlink the subwoofer L and R channels while tuning? Before combining when playing the entire L and R sides together?


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  4. Back To Top    #14
    Noob Jdunk54nl's Avatar
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    Re: Tuning with a subwoofer

    Hopefully the right and left signal is identical going into your sub, so the eq for the left signal should be the same for the right. But if it is not, it might be worth tuning the left side signal and then the right to get the same sub response out of both signals.
    2014 F150 Limited -> Kenwood DDX-9907xr -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 mki in Valicar Stuttgart Pods, Rear SB17's, Sub SI BM MKV's in MTI BOX. Alpine PDX-F6 -> SI Tm65 mkIV, SI M3 mkI in Valicar Stuttgart Pods

  5. Back To Top    #15
    Noob Cathul's Avatar
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    Re: Tuning with a subwoofer

    No. You tune the sub identical on both channels. Exact same equalizer and gain settings on both channels as well as, if needed, time delay and polarity.
    SYNC3 headunit
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    Mosconi D2 500.1
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    JL Audio 10w3v3 in custom enclosure (Blueprint by Mark @Caraudiofabrication)

  6. Back To Top    #16
    Noob Jdunk54nl's Avatar
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    Re: Tuning with a subwoofer

    I would say that would only hold true if both signals out of the HU are the same. Some factory do not do this and have the left and right signal different to account for the acoustics of the car. If that is the case, it might be worth it to tune the sub for each channel, unless you have input EQ and made both sides the same via that.
    2014 F150 Limited -> Kenwood DDX-9907xr -> Helix DSP.2 -> Alpine PDX-V9 -> SI M25 mki in Valicar Stuttgart Pods, Rear SB17's, Sub SI BM MKV's in MTI BOX. Alpine PDX-F6 -> SI Tm65 mkIV, SI M3 mkI in Valicar Stuttgart Pods

  7. Back To Top    #17
    Noob Cathul's Avatar
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    Re: Tuning with a subwoofer

    It depends on the type of subwoofer amp. With a mono amplifier fed by two channels like the Mosconi D2 500.1 it makes no sense to tune both sides individually.
    SYNC3 headunit
    Mosconi Pico 8/10 DSP
    Mosconi D2 500.1
    Gladen Zero Pro 165.3 DC
    JL Audio 10w3v3 in custom enclosure (Blueprint by Mark @Caraudiofabrication)

  8. Back To Top    #18

    Re: Tuning with a subwoofer

    Got it. makes sense. Thanks!


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