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Reload Thread: Adding 6.5" subs to the rear doors?

  1. #16
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by gckless View Post
    If you don't know wtf you want, there's nothing we can do. You need to give us something to work with. What sound specifically are you lacking?
    I'm looking for the "punch you in the chest" type of feeling.







  2. #17
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    Thank you. I was looking for where that was! This thread is exactly what I am talking about. It's that initial IMPACT of the bass hit that I'm missing, which is apparently at a higher frequency than I might think.




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    Re: Adding 6.5" subs to the rear doors?

    You're welcome. I take tokens of gratitude via paypal



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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    You're welcome. I take tokens of gratitude via paypal
    Hahah. I dont have a paypal.

    And according to the DIYMA thread, it looks like my main problem could just be that my seats need to be made heavier/deadened. And that's not going to happen haha.




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    Re: Adding 6.5" subs to the rear doors?

    Yeah, I couldn't find the specific post even using the search tool but I'm still looking.



    Deck: JVC KD-A95BT
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    Yeah, I couldn't find the specific post even using the search tool but I'm still looking.
    Yeah. I've been reading for a while now. Still only on page 3. Let me know if you find that guy's post about his set up.




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    Re: Adding 6.5" subs to the rear doors?

    Fo sho



    Deck: JVC KD-A95BT
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    Fo sho
    I'm on page 5 now, and I've realized the thread has drifted from OP's topic. He wanted to know how to get the kick in the chest feeling, which is what I want. And they are now talking about the "bass up front" illusion. I am looking more for the feeling of the initial impact rather than the sound.




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    Re: Adding 6.5" subs to the rear doors?

    How to bring sub presence Forward? - DIYMA Car Audio Forum

    They kinda go hand in hand. Other things I picked up were that to get the punch in the chest sensation, you need something to play with authority between 60-80 Hz, so people have been doing this one of two ways:

    1. Larger midbass in the front doors (some are running 10" believe it or not)
    2. Dedicated midbass bandpassed to cover this range

    On another note, try using an RTA to smooth frequency response in the sub's range.



    Deck: JVC KD-A95BT
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    How to bring sub presence Forward? - DIYMA Car Audio Forum

    They kinda go hand in hand. Other things I picked up were that to get the punch in the chest sensation, you need something to play with authority between 60-80 Hz, so people have been doing this one of two ways:

    1. Larger midbass in the front doors (some are running 10" believe it or not)
    2. Dedicated midbass bandpassed to cover this range

    On another note, try using an RTA to smooth frequency response in the sub's range.
    I get the feeling I could just slap a pair of the JL 6.5" subs in my rear doors and it would make me a happy camper. I dont know enough about TA or have an ear that can tell the difference really. I think I'm lacking in the 80-150hz range, mainly because that's the point where speakers dont go down to, and my sub doesnt go up to.

    EDIT: Besides, I dont really have anything close to a SQ system anyways.




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    Re: Adding 6.5" subs to the rear doors?

    TA isn't the be all end all, though. There have been extremely well-done SQ cars that never needed it. For you, I'd focus on the EQ. Band-pass those JLs in the rear, just keep in mind you'll need to lower the volume so they don't pull the soundstage back. If you feel mod-happy, you might even be able to wiggle those JL midbasses into the center console/dash area. Or custom kicks.



    Deck: JVC KD-A95BT
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    Amps: Boston Acoustics GT-2125, Zed Minotaur III (x2)
    Sub: 10" SSA ICON, IA Death Penalty 18" (coming soon)
    Starr Mountain Sound Nuthugger #2 (I'm a #2 lol)
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    TA isn't the be all end all, though. There have been extremely well-done SQ cars that never needed it. For you, I'd focus on the EQ. Band-pass those JLs in the rear, just keep in mind you'll need to lower the volume so they don't pull the soundstage back. If you feel mod-happy, you might even be able to wiggle those JL midbasses into the center console/dash area. Or custom kicks.
    How would I bandpass the JLs?




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    Re: Adding 6.5" subs to the rear doors?

    If your amp has a bandpass feature (PPI 900.4 does), you can use that.

    Or you could be cheeky and highpass on the amp and lowpass on the deck for that channel

    Or use an external electronic crossover



    Deck: JVC KD-A95BT
    Speakers: PHD FB mid, JBL MS tweets
    Amps: Boston Acoustics GT-2125, Zed Minotaur III (x2)
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    Re: Adding 6.5" subs to the rear doors?

    Quote Originally Posted by neo_styles View Post
    If your amp has a bandpass feature (PPI 900.4 does), you can use that.

    Or you could be cheeky and highpass on the amp and lowpass on the deck for that channel

    Or use an external electronic crossover
    Well I'm going to be using the amp I already have for the front and rear doors. Right now the 2 tweets and 2 woofs each get their own channel. But it would be easy enough to tie them together to free up two channels for the JLs. The 4 channel I'd run them with has the option for either LPF or HPF (one or the other, not at the same time). And my HU has HPF for the front and rear RCAs and LPF for the sub RCAs.

    The amp can take care of one or the other for the JLs. But I cant change the LPF or HPF on the HU because then it would affect the other speakers or 12" sub.




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    Re: Adding 6.5" subs to the rear doors?

    Hmm I know Clarion makes an active x-over for under 100 that's supposed to be pretty sweet. Check out Audio Savings | Welcome to AudioSavings.com and find it. I'd just put that in your system and go to town.



    Deck: JVC KD-A95BT
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    Amps: Boston Acoustics GT-2125, Zed Minotaur III (x2)
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