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    burning rubber smell

    I have this slight buring rubber smell (or something like that) coming from my trunk which I smelled when I checked my subs, but does this happen when their overpowered (i do have bass boost on 3/4)? I cant seem to get the loud bass I want without turning it up? Any suggestions.

    BTW, i have a bx1000d, 2 15in. kicker comp vr's and an alpine CDA-9825 HU?
    i cant set the bass up too high on my ALPINE hu because the bass sounds terrible coming from my door speakers. Any suggestions on how to set it for those who have alpine HUs?


    THANKS







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    Re: burning rubber smell

    do you have your subs wired out of phase?? i think you can change the bass setting to your sub pre-out independantly from the front and rear channels. if not you need a crossover or some cheapie in-line bass-blockers for your door speaks.



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    Re: burning rubber smell

    yumm, VC burning




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    Re: burning rubber smell

    could just be the glue burning off...




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    Re: burning rubber smell

    Since my voicecoils are burning, does this mean my subs will blow if I play them at the same volume that I have been? also, what is the reason for voicecoils burning? Is it because im pushing the subs past thier excursion, or xmax?

    What do you mean wired out of phase.

    BTW, what does the phase knob do on the amp, I havent been touching it because i dont know what it does.




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    Re: burning rubber smell

    If you keep playing them at that volume they will eventually blow.
    To much heat in the VC's.
    Out of phase= + and - are switched.




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    Re: burning rubber smell

    Do I need to worry about the phase knob on the amplifier?

    BTW, my subs arent even warm to the touch, I just smells




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    Icon11 Re: burning rubber smell

    Quote Originally Posted by Looney_Tune
    Do I need to worry about the phase knob on the amplifier?

    BTW, my subs arent even warm to the touch, I just smells
    no. if BOTH speakers are wired CORRECTLY- the phase knob is only for tuning purposes and changes both speakers together.

    but voice coils are an electro magnet.

    when a AC or Alternating Current (that the amplifier makes) goes through the coil (a wound piece(s) of copper wire), the wound wire creates a magnetic filed. and if you have ever played with two magnets, the oppostite poles attract, and same repel. and when the AC current goes thru that coil, if you know anything about AC current, the magnetic filed will switch phase very fast and move the speaker in and out because the motor's magnet is pushing and pulling on the magnetic filed of the coil.

    so, like any wire, if you put too much current\power\volts\whatever thru it, it starts to heat up. too hot, and itl melt the ****er. and if the coil fuses together, then the electricity wont be wound anymore, and it wont make a magnetic filed, and it wont move (or it wont move very far) and it will be unbalanced and all kinds of bad ****.

    so turn the fukcing gains down. (the bass boost)




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    Re: burning rubber smell

    So if I turn the bass boost down the smell will most likely go away if everything else is hooked up correctly.

    Also, what do you set your bass boost at (if you use it) REQ and what do you set you set the bass on your HU at?


    THANKS




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    Re: burning rubber smell

    Get rid of the bass boost. If you have your gains set correctly you shouldnt even have any bass boost. I personally think that a bass boost is the stupidest invention ever put on an amplifier. Does nothing but make the amp vulnerable to clipping at a certain freqency.



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    Re: burning rubber smell

    i also found out that the low pass knob increases the bass significantly, will this hurt my subs if it is set all the way up?

    As you can tell im really not very good at setting these **** knobs.




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    Re: burning rubber smell

    All the low pass knob does is set what frequncies (sp?) your amplifier will amplify. For subs you dont want more than about 80 hz maximum but you sure dont want to turn it all the way up because your sub will be playing frequncies that its actually not meant to play and just wasting power that could be used for the lower freqs. On the hifonics I recommend turning the low pass knob all the way counter-clockwise for a starting point. Now turn it up till the line thats across the knob is horizontal as in....<----....I thinks how it looks on the knob (im not sure if it has an arrow or not) but turn it up till its just above horizontal maybe at a 45 degree angle...This is close to what I have mine and its just right at 70hz. That should be good enough. Either way I dont recommend you turn it up past half-way and definitely not all the way up. But its your choice do as you wish.



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    Re: burning rubber smell

    ok, makes sense



    THANKS




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    Re: burning rubber smell

    I found the problem. The reason I wasnt getting much bass without the bass boost up was because I had the remote plugged in (but just used it for the light). I didnt know the remote takes priority over the amp.(or something like that), but as soon as I unplugged the remote bass the bass kicked in hard (scared the hell out a me)!

    Know I have the low pass 1/4 up and the bass boost 1/8 up. (not 3/4)


    THanks for all the input.




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    Re: burning rubber smell

    i still have a slight smell coming from my trunk, could this be because of the air pressure coming from my 2 15's in my small sentra trunk moving the cones rapidly of my 6 1/2s in my rear deck causing the voice coils to overheat.

    if this is the problem, would I need to buy speaker baffles?




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