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Port area

 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2724
Registered: Jan-05
ok this is the box i have planned out to build h19 w39 d22 inchs, with 2 6inch areoa ports 20inchs long 30hz tune with 56sq inchs port area, with net volume 6.82cf, if my calculations are correct, so would 56 sqinch be enough for a 6.5cf box after displacement, also where can i buy 6inch areo ports, i thought roe had them but when i cheked all they had were 3 and 4 inch.
 

Gold Member
Username: Bestmankind

Fi AudioBTL

Post Number: 8371
Registered: Oct-05
marshall told me roughly 12 sq inches per cu ft is good.
 

Silver Member
Username: Jblanford

Post Number: 180
Registered: Oct-06
try www.realmofexcursion.com in their store section
 

Silver Member
Username: Jblanford

Post Number: 181
Registered: Oct-06
sorry did read that last part...
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2725
Registered: Jan-05
chad i'll have a little under 10sq inchs per cf would that be enough. also i read somewhere that the lower you tune the more the upper bass will sound muddy is this true?
 

Platinum Member
Username: Rovin

1 12 Premier...

Post Number: 10233
Registered: Jul-05
i found this online a while ago
Upload

may not be the most accurate but its better than nothing ....
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2727
Registered: Jan-05
cool thanks rovin, atleast it gives me some ball park figures.
 

Gold Member
Username: Bestmankind

Fi AudioBTL

Post Number: 8390
Registered: Oct-05
i don't know about lower tuning making your upper bass sound muddy dustin. i've never experienced it. i've had a box tuned to 28hz at one time and the upper bass sounded nice. the lower bass sounded awesome though.
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2733
Registered: Jan-05
ya im going for massive low end, hopefully 3 15's tuned to 30hz will get that
 

Gold Member
Username: Bestmankind

Fi AudioBTL

Post Number: 8400
Registered: Oct-05
that would be sweet. good luck and post alot of pics of your progress.
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2735
Registered: Jan-05
definatly will i probally won't start untill march its cold as fvckk around here right now.
 

Platinum Member
Username: Rovin

1 12 Premier...

Post Number: 10243
Registered: Jul-05
if u can somehow make it a single chamber box with 1 massive port - prepare ur self with some good earplugs ....
 

Gold Member
Username: Cenus

Hicksville, Ohio

Post Number: 2736
Registered: Jan-05
its gonna be common chamber, i'd like to use 2 6inch ports cause it would fit perfectly, have 2 subs firing back the 3rd firing up in the middle and a 6inch port on each side of the sub, then i'd just make the ports an L shape.
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