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Port calculators...none work out the same????

 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 158
Registered: Nov-04
I have check several port calculators using the same specifications from the same woofers or box volume or tuning frequency and none of them come up with the same information.

Wow, that could get confusing.

I've checked:

http://www.carstereo.com/help2/Articles.cfm?id=31

http://www.the12volt.com/caraudio/boxcalcs.asp#por

http://www.ajdesigner.com/phpvent/subwoofer_vent_port_equation_length_l.php

http://mobile.jlaudio.com/support_pages.php?page_id=165

http://www.subwoofertools.com/forum/ported-box.asp

None end up with the same information.

Which one is correct????
 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 165
Registered: Nov-04
going up
 

Gold Member
Username: Killerzracing71

Fredericksburg, Virginia United states

Post Number: 1583
Registered: Aug-05
which ever one you choose lol..... just like all tire pressure gauges arent the same.... i used win isd and the rta showeda peak of where my tunning was 31.5 close enough to 32 hz

so im not sre that just my opinion
 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 168
Registered: Nov-04
yeh, that's what I'm starting to think...not an exact science.

I think I'll make my own port calculator...something like...

IQ x .69 divided by # of girlfriends in the last year=sq" port area...lol
 

Platinum Member
Username: Bestmankind

SOUND SPLINTER RL-S ON...

Post Number: 15251
Registered: Oct-05
hey glove, where is yuba city? is that northern or southern cali?
 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 171
Registered: Nov-04
30 min north of sacramento
 

Platinum Member
Username: Bestmankind

SOUND SPLINTER RL-S ON...

Post Number: 15256
Registered: Oct-05
you going to the finals at san mateo?

ima enter my car in the bassrace. its 6 hour drive for me but since its the finals i said why not. i just have enough points for the regional finals.
 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 173
Registered: Nov-04
I might go to watch and see, but certainly not to enter. I have to save up for a better system...maybe enter something next year. I'm only about 2 1/2 hours away...6 hours is a good drive.
 

Silver Member
Username: Press1

Yuba City, CA USA

Post Number: 180
Registered: Nov-04
So noone has an answer why these port calculators don't come up to the same results???

Then why recommend them???
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