DD AUDIO 9515G port help

[9515ROB 10+ year member]

I have a DD 9515G and im about to build a box and im going to get a 8" aero port that is 7.75 internal diameter and from what i have been reading the psp calculator is way off so im hoping that some one can figure out how long i should make this i am etheir going to make my box 5.5cf internal or 6cf internal so if some one can give me the length i need to make this port for both of thoes enclosure sizes that would really help me out alot.

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[basscort2009 5,000+ posts]

who told u that psp was off and why do they think that? i have used it and it works fine for me :/

 

[9515ROB 10+ year member]

well if it works for you i might as well use it i just heard som where it was off idk im kinda iffy on internet calculators because i know with some box calculators they are way off

 

[basscort2009 5,000+ posts]

yea they all use differant variables and stuff. but i can vouch for the psp one lol.

 

[9515ROB 10+ year member]

thanks im just trying to get a box that is just gonna b ****in loud as hell for daily and hit good for comp instead of my first idea of going with a interchangeable port for daily and comp bu that was going to be to much of a pain so i changed plans

 

[basscort2009 5,000+ posts]

exactly what i did. i just change the aero lengths now when i compete

 

[SWFL 10+ year member]

Not that hard just make that side the aero is on removable unless its on the baffle

 

[9515ROB 10+ year member]

I was all for doing work the comps with the comp port i was going to make but then i decied F it and just have a daily car that i can play the whole time im there and then just go see what it hits and be happy with it because there really aint a huge group of people from where im from that competing and i know i will beat alot of them so that makes me happy enough