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Box Fry a sub?

 

Bronze Member
Username: Fiber

Post Number: 57
Registered: Mar-06
My local audio shop told me that a ported 5.00 Cf box would fry my two Powerbase XS15D1 v.2 voicecoils is this true and if not will it sound crappy?
Im just finding out now because they arrive tommarow and i dont really want to fry them!
 

Gold Member
Username: Jmloughrey

Farmington, CT

Post Number: 1451
Registered: Jul-04
I've never heard of a box frying the sub. Its possible that the box could be too big for the subs as i'm not aware of the Specs for that sub.

If each sub required 2.5cuft of airspace or close to that you should be fine.

I've come to beleive most local audio shops are complete idiots.
 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 2449
Registered: Mar-04
the box itself wont fry a sub.

But if you play the sub below the tuning of a ported box w/ no subsonic filter...the sub will move like crazy (like its not even in a box). You could litterally rip the sub apart. (glue will come loose, spider/surround will rip, sub will bottom out)

 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 2450
Registered: Mar-04
by the way, if you local shop is really that stupid.

WALK AWAY
no....RUN.

Build your own box. I have found that most places that "think" they know what they are doing will build crappy boxes tuned to ~40-45hz and sell they as "the best box ever".

Try 30-35hz tuning.
 

Bronze Member
Username: Fiber

Post Number: 58
Registered: Mar-06
I really don't understand what tuning is can you explain and how it is done.
 

Bronze Member
Username: Fiber

Post Number: 59
Registered: Mar-06
^^ do you mean if the box is tuned to a certain hz and you play a certain note that is higher then the boxes tuned hz it will rip the sub apart?
 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 2452
Registered: Mar-04
no...if you tune a box to say, 35hz. You can play 35hz+.

but if you dont have a subsonic filter to get rid of the freqencies below 35hz and you play a song w/ 25hz bass in it, the sub will move like crazy (uncontrolable). When you use a ported box, you should really have a subsonic filter on your amp. (SSF)
 

New member
Username: Stephene

Lefroy, Ontario Canada

Post Number: 3
Registered: Mar-06
Is it hard to build your own box? do you know of any guides or anything on the internet i can follow? cause i am having the same sort of problem with my box, I have a bandpass and the guy at the shop near my house said its garbage and ill reck my subs.
 

Gold Member
Username: B101

Queen City, NC USA

Post Number: 1977
Registered: Sep-05
dude I know your new, but start your own thread, NOT hijack someone elses!
 

Bronze Member
Username: Mygame5982

Houston, Texas Us

Post Number: 45
Registered: Jan-06
hijack i thread? WOW!!!!!!!!!!!!!!!!!!
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