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Reload Thread: Whats the point of Huge VC on low RMS speakers?

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    splduck1978's Avatar
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    Whats the point of Huge VC on low RMS speakers?

    Took a trip to the little boys room and was checking out my Parts Express Catalog and saw some Morel 6" drivers with 3" Coils. There is also a 10 and 12 that uses a 5.1 inch Coil. The RMS on the 6" is 150-300 and the 10's and 12's 500-1200. Whats the point of the huge Voicecoils?







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    Re: Whats the point of Huge VC on low RMS speakers?

    maybe to keep the heat down so it wont change the parameters of the driver as much,audiophile stuff. not sure though



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    Re: Whats the point of Huge VC on low RMS speakers?

    Probably so noobs don't blow them, and then spam the interweb saying how their products *****.



    Quote Originally Posted by danyopjr View Post
    Kickers are not meant to last that long so therefore seems like this sub is either abused with running too much watts to em or have been used for awhile. Kickers are ok for the price but wont last long when running them for awhile or running too much Watts to em
    Refs thread. http://www.caraudio.com/forum/showth...read?p=6573666

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    Re: Whats the point of Huge VC on low RMS speakers?

    Tw5 uses a 6" coil no?



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    Re: Whats the point of Huge VC on low RMS speakers?

    Better heat dissipation, higher quality



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    Re: Whats the point of Huge VC on low RMS speakers?

    Home stuff costs insane amounts of money, the least they can do is overbuild the driver a little.

    Edit: Guess I'm assuming this is home audio stuff?



    Quote Originally Posted by danyopjr View Post
    Kickers are not meant to last that long so therefore seems like this sub is either abused with running too much watts to em or have been used for awhile. Kickers are ok for the price but wont last long when running them for awhile or running too much Watts to em
    Refs thread. http://www.caraudio.com/forum/showth...read?p=6573666

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    Re: Whats the point of Huge VC on low RMS speakers?

    I don't see anything wrong w/ that...




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    Re: Whats the point of Huge VC on low RMS speakers?

    Lower inductance, greater BL, better cooling.. there are only advantages to using a larger dia. coil even with the same amount of copper..

    My Opti 6.5" mids have a 3" voice coil..




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    Re: Whats the point of Huge VC on low RMS speakers?

    mounting depth can be a benefit. check out the coil on the JL slim sub.




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    Re: Whats the point of Huge VC on low RMS speakers?

    Quote Originally Posted by hornedfrog1985 View Post
    Home stuff costs insane amounts of money, the least they can do is overbuild the driver a little.

    Edit: Guess I'm assuming this is home audio stuff?
    You are incorrect, it is car stuff! And they are not that expensive compared to the competition.




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    Re: Whats the point of Huge VC on low RMS speakers?

    Quote Originally Posted by Haunz View Post
    Lower inductance, greater BL, better cooling.. there are only advantages to using a larger dia. coil even with the same amount of copper..

    My Opti 6.5" mids have a 3" voice coil..
    Le would be higher for a larger diameter coil due to more wire being in the gap.


    But as was said....even though it's "low power" compared to a subwoofer, a larger diameter coil can improve power handling (and more importantly reduce power compression). Also, the diameter of the coil affects how the former attaches the cone, which can affect cone resonance and stability.




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    Re: Whats the point of Huge VC on low RMS speakers?

    Just because it uses a 3" coil doesn't mean that it's built like a 3" coil that's on subwoofers. The coils on a mid doesn't need to be as long, and I doubt here are many, if any, mids that have 4-8 layer coils with as thick of wire as normal subs use.

    Larger coil also means lower sensitivity(assuming the overall mass of the coil is higher).



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    Re: Whats the point of Huge VC on low RMS speakers?

    Quote Originally Posted by ProjectPechkin View Post
    Tw5 uses a 6" coil no?
    the 12 used a 5 or 5.5 if i remember right
    the 13.5 is a 7




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    Re: Whats the point of Huge VC on low RMS speakers?

    A different pair of 3" vc morel mids (not uniflow) reviewed
    poorly on Zaph because according to the review, there was
    not enough spider to back it up.




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    Re: Whats the point of Huge VC on low RMS speakers?

    Quote Originally Posted by squeak9798 View Post
    Le would be higher for a larger diameter coil due to more wire being in the gap.

    why would there necassarilly be any more wire in the gap ? If both are underhung that wouldn't be the case, and if they were overhung the topplate would be different, accordingly...

    that said you are either making arbitrary statments or compairing apples to oranges... If you look a the coils alone a shorter wrap on a larger dia former will have less inductance, which is my point...




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