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Does this look ok for a SX12

 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 322
Registered: Sep-05
when RE says that a 12"sx should be in a 1.9 cu ft box tuned to 32hz does that 1.9 include or disclude the port and sub displacement? in other words sould it be 1.9 cu ft total? or bigger?

this is what i was gonna do
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16&Dia=6&Xmax=21&Vd=0.1 6&NumW=1&Vb=1.9&Fb=32&Qts=&Vas=&Fs=&CE=0

look ok?

or i might tune it to 30 hz
http://www.accelerator-pedal.com/ported-box.asp?Ew=32.5&Eh=16&Dia=6&Xmax=22&Vd=. 16&NumW=1&Vb=1.9&Fb=30&Qts=&Vas=&Fs=&CE=0

or mabey even this?
http://www.accelerator-pedal.com/ported-box.asp?Ew=32.5&Eh=16.5&Dia=6&Xmax=21&Vd =0.16&NumW=1&Vb=1.9&Fb=30&Qts=&Vas=&Fs=&CE=0

what do you think?
would they work?
which is best?
i like the last one because of some simple measurements
what do you think?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1875
Registered: Sep-04
i like the top 2 because they have slighly more port area. they all work though. that is the kind of 1.9 cuft they are tlaking about. except, well, find out what the woofer disp. is and add that to 1.9. then say the disp. was .15cuft(i dont really know) set the net volume to 2.05cuft and choose wether you want 30 or 32 hz tuning.
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1876
Registered: Sep-04
well thats according to their specs. but however i would do like 2.25-2.5cuft instead of the 1.9
 

Silver Member
Username: Yukhui

Myrtle Beach, South Carolina USA

Post Number: 141
Registered: Jan-06
What would be the perfect box specs for this sub?

CuFt- ?
Tuning- ?
 

Silver Member
Username: Yukhui

Myrtle Beach, South Carolina USA

Post Number: 142
Registered: Jan-06
didnt bump
 

Silver Member
Username: Yukhui

Myrtle Beach, South Carolina USA

Post Number: 143
Registered: Jan-06
STILL DIDNT BUMP!!
 

Anonymous
 
ahhhh
 

Silver Member
Username: Safe_cracker

Chicago, IL US

Post Number: 226
Registered: Jan-06
Ummmmm, I'm thinking that 30hz is too low. In car the frequency will tune much lower thus you will be losing quite a bit of amplifier power to absorbtion. JMHO...Polo. :-)
 

Bronze Member
Username: Greeney1888

Maple Grove, MN United States

Post Number: 89
Registered: Feb-06
32hz should be good. im at 35 and i dont think im hitting evetrything so thats y im gonna either go 32hz or 30hz for my next box
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 324
Registered: Sep-05
32 sounds fine to me, but sould i make it a little bigger than that? mabey like this
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16.5&Dia=6&Xmax=21&Vd=. 16&NumW=1&Vb=2.25&Fb=32&Qts=&Vas=&Fs=&CE=0

or if i wanted absolutely no room left in my trunk...
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16.5&Dia=6&Xmax=21&Vd=. 16&NumW=1&Vb=2.5&Fb=32&Qts=&Vas=&Fs=&CE=0

actually, that came out way simpler, i might just do that, barely any bigger anyways

ah, what-the-hell
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16.5&Dia=6&Xmax=21&Vd=. 16&NumW=1&Vb=2.75&Fb=32&Qts=&Vas=&Fs=&CE=0


what do you think about those, i like the last 2, but is 2.75 cu ft too big?

what do you think

btw
the drive displacement is factored in on this calculator
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 326
Registered: Sep-05
this is what im goin with
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16&Dia=6&Xmax=21&Vd=.16 &NumW=1&Vb=2.5&Fb=32&Qts=&Vas=&Fs=&CE=0

but where should i put the sub?
i would think on the left side of the red board (next to the port) so the air circulates throught the whole box, but the single sub diagram on RE audio has it on the opposite side? does it matter?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1891
Registered: Sep-04
im not sure exactly what would be the difference, but everyone always does it on the oposite side of the port. i think thats where it would look best too, id just do it that way, on the right side.
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 327
Registered: Sep-05
ok,
but i think i changed my mind on the box cuz i want a little more port area just to be safe

hows this look
http://www.accelerator-pedal.com/ported-box.asp?Ew=32&Eh=16.5&Dia=6&Xmax=24.75&V d=.16&NumW=1&Vb=2.5&Fb=32&Qts=&Vas=&Fs=&CE=0

i just made the xmax higher to get more port area,

if this looks ok thats what im doing for sure
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1896
Registered: Sep-04
looks fine to me....
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 328
Registered: Sep-05
i built it
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1941
Registered: Sep-04
dammn didnt waste any time. did u listen to it yet?
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 330
Registered: Sep-05
no the liquid nails has to dry, thats pretty much all i did today, actually i dont even have the sub :-) i just wanted to compit to it because if i didnt i would change my mind, cuz im an idiot.

it was fun building though, all i had was a circular saw and a drill so it was kinda difficult. came out clean considering that thought.

i think i might drop one ov my vmax's in just for fun tomarro

ill proble get the sub next week or so
 

Silver Member
Username: Terry6405

Sullivan, IN US

Post Number: 331
Registered: Sep-05
*commit not compit

after i get it carpeted or whatever i decide, i will probly take pictures of eveything and post it in the bragging section

COMMING SOON:
"The Teal-Mobile" --oldschool 89 accord
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