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Reload Thread: What are the advantages of Bandpass?

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    NitroDuck's Avatar
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    What are the advantages of Bandpass?

    No im not thinking of building/buying one, but i notice nobody likes em. Whats wrong with them? At one time they seemed like they were the way to go.







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    ss3079's Avatar
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    Pros:

    Easy to direct output.
    Higher power handling.
    Keeps speaker free from debris.
    Proper design leads to great low frequency extension.

    Cons:

    Usually a large enclosure.
    Hides distortion so you can't detect possible damage to your driver.
    Overall, very hard on the driver.
    Very hard to build, and design.

    - Steve



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    I dont mean to be rude, but what is the highest level of education that you finished?

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    ss3079's Avatar
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    Originally posted by Jmac
    Higher power handling ?
    It's just what I've heard - I don't know if it is a myth or not.

    - Steve



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    2006 Kawasaki Ninja ZX14
    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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    nswartley's Avatar
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    the bottom line is this: unless you plan to build your own bandpass box and put a ton of hours of design and work into it, do not get one. you especially dont want a pre-fab bandpass box.

    -nate




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    Well when I first got into car audio, I got a pre fabbed bandpass for my bazooka subs. (They weren't all that bad actually, bazooka only has a bad rep cause of the tube subs, other than that, bazooka is pretty good) I can tell you, only get a bandpass if you want pure SPL. It ruins any kind of SQ (unless built directly for that sub) but makes almost any kind of driver really loud.




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    Randy Savage's Avatar
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    4th order bandpass has a good transient response, power handling, and a lower cutoff frequency.

    A 6th order bandpass has very nice power handling within its passband, but outside of the passband it's power handling is poor- the driver relies on its suspension under the passband (just like ported)...not too good of a transient response as well...





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    Originally posted by snova031
    4th order bandpass has a good transient response, power handling, and a lower cutoff frequency.

    A 6th order bandpass has very nice power handling within its passband, but outside of the passband it's power handling is poor- the driver relies on its suspension under the passband (just like ported)...not too good of a transient response as well...
    Thanks for all the responses.
    Do you know a web site where i can get instructions on how to construct a proper bandpass enclosure. Im just curious.




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    Randy Savage's Avatar
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    Originally posted by NitroDuck
    Thanks for all the responses.
    Do you know a web site where i can get instructions on how to construct a proper bandpass enclosure. Im just curious.
    http://www.diysubwoofers.org/bnd/4thord1.htm

    Enjoy





  9. #9
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    Originally posted by snova031
    http://www.diysubwoofers.org/bnd/4thord1.htm

    Enjoy
    And good luck...if you do decide to build one, let us know how it turns out.

    - Steve



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    Quote Originally Posted by DJGTSR
    I dont mean to be rude, but what is the highest level of education that you finished?

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