Sean, or anybody else good with boxes, need some help with ported

 

Gold Member
Username: Invain

Michigan United States

Post Number: 2718
Registered: Aug-04
Alright guys, I need a little help. I need all the dimensions of a ported box for a Digital Designs DD 9515d. I think DD recommends something like 2.75 - 3.5 cf tuned to 40 hz, not exactly sure. I'll be giving it about 900 rms form my HCCA 250, so first, what volume do you guys think I should shoot for. I'd also like to have the box tuned lower, something like 35 rather than 40. I know people say they have DD boxes built to specs, and they sound awsome, but I want it low. Now, I'm gonna need help getting all the measurements right. I could figure it out on my own, but I've been busy lately, and I know how much you all enjoy planning out boxes. (haha) Thanks

Joe
 

Gold Member
Username: Insearchofbass

Post Number: 2343
Registered: Jun-04
not me bud im takin a vacation
 

Gold Member
Username: Insearchofbass

Post Number: 2344
Registered: Jun-04
im gonna get my triple chamber abc box built soon
and the one that guy built only just carpeted
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2725
Registered: Aug-04
Man. I don't wanna figure it out myself...
 

Gold Member
Username: Insearchofbass

Post Number: 2345
Registered: Jun-04
you can learn i did heck im still learning lol
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2726
Registered: Aug-04
I know. I just get paranoid when I'm making stuff for myself instead of giving people advice on this forum. I'm really picky, and although very smart, I do things to fast sometimes and make simple little mistakes.
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3877
Registered: Dec-04
sean, how about this, ill design all the measurements and such and do everything if you promise to double check my work, joe, ill draw you somen up on paint, give it to someone to rescale cause i dont have photoshop or anyhting, but ill work on getting 3.5 cubic feet before displacement, that way it will still be inbetween there after displacement, then tune it to 35, this ok?
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3880
Registered: Dec-04
i need all the specs on the exact sub your getting, where can i get them???
 

Gold Member
Username: Insearchofbass

Post Number: 2350
Registered: Jun-04
your good man i trust your judgement
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2729
Registered: Aug-04
Well, here are the 9515e specs that you'll need. Not sure if anything is different form the 9515d.

4 layer DVC
Power Handling RMS 1200 watts
Suspension 75 mm
Free Air Resonance 33 Hz
Qts 0.29
Qes 0.31
Qms 4.32
Vas 85 L
Mounting Depth 8 3/8"



 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3882
Registered: Dec-04
ok well i got it done, tuned to 35 hrtz
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3886
Registered: Dec-04
Upload


i hope this is all right, sean or fishy or somene check it out, i think its right
 

Gold Member
Username: Invain

Michigan United States

Post Number: 2730
Registered: Aug-04
Ok, now I 'm just beting picky, but can you make one with a slot port? lol
 

Gold Member
Username: Subfanatic

Walton, Ky

Post Number: 3895
Registered: Dec-04
lol, i will in like 30 mins, get back on at like 12 30, im me at nushaganazad, lol
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