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    ThatDude's Avatar
    ThatDude is offline Bruce LeeRoy



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    Speaker pop

    My 6X9s in the rear are making popping noises when I turn it up. If I turn down the bass on the HU and turn up the sub with the remote gain, it gets rid of the pop sounds, but the overall sound isn't the same, I guess it starts to heavily lack on mid bass. It's Infinity comps in front, they don't have a problem, and Sony coaxials in the rear. When I originally put the Sonys in they ran off of deck power, and were much clearer than the stocks so I was happy. They are amped now at 50w rms and it says it can take 80w rms. I'm not sure of a way to fix this without changing the speakers out, but I thought about getting those speaker baffles for them from crutchfield, because I'm thinking the problem comes from them running on alot of free air. Let me know what I could try out to fix this, thanks in advance.



    Turn my volume under ten, to keep my speakers from busin'.




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    Re: Speaker pop

    What kinda amp are you running on them, and does it have a x-over built into it?




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    ThatDude's Avatar
    ThatDude is offline Bruce LeeRoy

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    Re: Speaker pop

    sony amp, it runs either low pass, or everything. My HU has decent xovers, but if cut off the lower signals on it, i'll have to move my sub amp to the sub-outs on the HU, and the sub-outs ****,it pretty much turns off the sub at low volumes, don't know if people might like that but I don't, so the sub amp runs off the rear channels, and the HU's xovers effect all of the rca outputs except the sub-out.



    Turn my volume under ten, to keep my speakers from busin'.

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    Re: Speaker pop

    Heres some tips-

    5.5 What is "rear fill", and how do I effectively use it? [HK, JSC]
    ================================================== ====================

    "Rear fill" refers to the presence of depth and ambiance in music. A
    properly designed system using two channels will reproduce original
    rear fill on the source without rear high frequency drivers. Since
    recordings are made in two channels, that is all you will need to
    reproduce it. What is captured at the recording session (coincident
    pair mics, Blumlein mic patterns, etc.) by a two channel mic array will
    capture the so called rear fill or ambiance. Many of the winning IASCA
    vehicles have no rear high frequency drivers. Also a lot of this has
    to do with system tuning. If rear high frequency drivers are added,
    however, the power level of the rear fill speakers should be lower than
    that of the front speakers, or else you will lose your front-primary
    staging, which is not what you want (when was the last time you went to
    a concert and stood backwards?). The proper amount of amplification
    for rear fill speakers is the point where you can just barely detect
    their presence while sitting in the front seat. Separates are not a
    requirement for rear fill; in fact, you may be better of with a pair of
    coaxial speakers, as separates may throw off your staging.

    5.7 How do I select proper crossover points and slopes? [DK]
    ================================================== =============

    Basically, this requires a degree of patience. The subwoofer should be
    started off at about 100Hz and adjusted until you are happy with the
    sound. Keep in mind that the higher the crossover point, the more
    power the driver on the high-pass will be able to handle but raising
    excessively may cause the low-pass driver to sound raspy or unnatural.
    The idea here is to first make rough selections to protect the drivers
    and then to fine tune crossover point selections to achieve optimum
    fidelity. It's all a matter of what sounds good to you after that, but
    remember that even *minute* changes in crossover frequency can make
    dramatic differences in the way your system sounds and images.

    As a rule, subs should be crossed over no higher than 120Hz, a 6 1/2
    mid should be able to handle about 90 Hz, a 5 1/4" should be okay with
    about 100Hz, a 4" - about 500Hz, and tweeters vary from about
    3500-5000Hz. These points all assume the use of a 12dB/octave
    crossover ... if you have a steeper roll-off a lower crossover point
    may be chosen. Remember, these are not hard and fast rules but rather
    a rule of thumb to help you get started (and so you don't blow up all
    your speakers when you are setting your gains!).




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    Re: Speaker pop

    Thanks, sounds like I need a better amp with a decent crossover, and turn the gain lower than the fronts. What is a good point to crossover 6x9 speakers though? I do notice that my rears do overpower my fronts most of the time.



    Turn my volume under ten, to keep my speakers from busin'.

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