External ports on a selaed box

 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 527
Registered: Oct-06
i gotta a roughly 1^3ft seald box after displacement and i wanna put some pvc pipe to use kinda like aero's to port it since the sub is not worth building another box for...its a 10" and what size piping and how many should i use to get like 32-35 ish tuning?
 

Gold Member
Username: Nd4spd18

Southeast PA

Post Number: 1722
Registered: Jul-06
Ya know that's not gonna work well..... a ported box has to be bigger than a sealed box. And it doesn't matter if the ports are on the outside, it still needs more internal volume.
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 528
Registered: Oct-06
eh...that sucks...is 1^3ft ported too small for a 10"
 

Gold Member
Username: Lbeckner

Tulsa, Ok Usa

Post Number: 1495
Registered: Oct-04
i wouldn't mind knowing either. you can use a box building program to find out....
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 11977
Registered: Dec-03
box is too small to port
for a 10" you want 1.5cu ft after port and driver displacement.
 

Gold Member
Username: Extrmndor3

IF U HEAR ME... crazydbs.com

Post Number: 4566
Registered: Feb-06
depends if the subs its optimized for mid sized enclousure.... check the speaker recomendations... if its suitable for small ported box it might work but if its more suitable for mid or large enclousure definetely will not work
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 529
Registered: Oct-06
its just a sh!tty a-bahn i had from an old system with a sealed box i made a long time ago...how bout if i invert the sub for jus a little more room? jus tryin to make it as loud as possible without too much work :-)

so anyways...i would b better off jus leavin it like it is then?
 

Gold Member
Username: Lbeckner

Tulsa, Ok Usa

Post Number: 1496
Registered: Oct-04
Hey Glasswolf, what would you say the minimum is for a 12" driver?
 

Gold Member
Username: Nd4spd18

Southeast PA

Post Number: 1727
Registered: Jul-06
You would be best off leaving it as is, unless you want to build a new ported box for it.
 

Gold Member
Username: Oglejust

Post Number: 1453
Registered: Aug-06
for a 12in sub i wouldnt go smaller than 2.0 ported. but some ppl go 1.75
 

Platinum Member
Username: Rovin

My 1 12 Atom...

Post Number: 11329
Registered: Jul-05
if u really want to use that old box & since its already small , invert the sub & use a external pipe port - will look like sh1t IMO but hey if u wanna try it .....
 

Gold Member
Username: Extrmndor3

IF U HEAR ME... crazydbs.com

Post Number: 4593
Registered: Feb-06
yeah yeah rovin its right... btu it depends th e woofer man.... some woofers can perform better at .70 ported than 1.5 ported
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 530
Registered: Oct-06
ya dont care ho wit looks but as long is it sonds better then its cool i guess ima try it...wut do yall think i should fo for lengeth and hom mwanyy?>
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 532
Registered: Oct-06
eh...that last post is a little messy

i guess i am going to try it and see how it sounds...how do i know how long to make each port and how many i am gonna need
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 534
Registered: Oct-06
bump
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 536
Registered: Oct-06
bump

a site or something? i know some of you use aeros...
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 3121
Registered: Jan-05
try it, audioburns allready have shitty sq so it shouldn't sound any worse, i think roe has areo ports or you could talk to marshall white (cannan on here) i think he still sells custom areos.
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 537
Registered: Oct-06
ya see i dont really wanna spend any money so i wus jus gunna get some pvc pipe lol...i dont wanna waste money on this sub...but i guess im jus gunna try somethin and see how it sounds lol
 

Silver Member
Username: Jblanford

Post Number: 828
Registered: Oct-06
goodie are you looking for a site to calculate round port tuning ?

www.psp-inc.com
 

Silver Member
Username: Goodie_goop

Midland, Texas U.S.

Post Number: 538
Registered: Oct-06
ahh yes thanks man thats what i was lookin for
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