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bumpin focus
09-17-2006, 03:41 PM
Will cutting off the top of the box to make it not as tall change the port tuning

Louisiana_CRX
09-17-2006, 03:44 PM
It will effect it some...your tuning freq will stay the same because that is determined on port length....

jeepintn
09-17-2006, 03:48 PM
It will effect it some...your tuning freq will stay the same because that is determined on port length....

no, that is incorrect. the frequency your tuned to is a product of the port area and the port length, so yes, changing the height, which means changing the port area, will affect the tuning. by cutting making it shorter in height and losing some port area, you will lower your tuning if you leave it the same length

bumpin focus
09-17-2006, 03:48 PM
what will it affect the tuning or just the size of the port

jeepintn
09-17-2006, 03:51 PM
both, if you were to cut the port down and make it shorter, it will change the tuning

bumpin focus
09-17-2006, 03:53 PM
because i built the box too big so do you think i'm better off building another one

iamamp3pimp
09-17-2006, 03:54 PM
any changes to the box, or the port will change the tuning.


some chanes are more drastic than others.



how much taller is it than you need?

you might be able to take off the bottom and the top to gain a litle room

iamamp3pimp
09-17-2006, 03:54 PM
hahahaa i left out something rather iportant.

i meant take off the top and bottom and replace it with 1/2

mazdakid
09-17-2006, 03:55 PM
make the port bigger, 20sq" per cuft

Immacomputer
09-17-2006, 03:55 PM
Are you talking about cutting the top off of the box by the port or what? Your question is very vague. If you're making the box smaller and not changing the port, your tuning frequency will go up. If you're changing the port area and making it smaller, your tuning frequency will go down.

mazdakid
09-17-2006, 03:55 PM
its too big to fit in the car?

bumpin focus
09-17-2006, 04:06 PM
Yes the box is too tall and too deep i can not fit it in the car. I was going to cut it shorter but if its going to change the tuning at all i'm not going to do it. I think i'm going to build a different box that fits.

coolahan
09-18-2006, 05:01 AM
build a new one ... check ur measurements 20 times before you start building

Death By Bass
09-18-2006, 05:09 AM
no, that is incorrect. the frequency your tuned to is a product of the port area and the port length, so yes, changing the height, which means changing the port area, will affect the tuning. by cutting making it shorter in height and losing some port area, you will lower your tuning if you leave it the same length

no, that is incorrect...

if its a slot load port, then if you lower the box, you are reducing the port area, AND the box volume...

the port tuning isn't just dependant on the port, it depends on the enclosure aswell... :p: