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  #1  
Old 06-26-2013, 12:34 AM
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Default Help me build a box for SP4 Gra

I have 2 SP4's but think that I can only fit 1. Please give me your input. My max box dimensions are

41" width
30" depth
16" tall(window line) willing to go to 20" if needed

Help me build the optimal box please. Probably going with aero ports to save space.
Thinking sub up port back

Probably only gonna run 1 woofer because I don't think there's gonna be much of an output difference due to the box being too small for two.

Also running off an ab500.1 on solid electrical

All input appreciated

Thanks

SP418

DUAL 1 | DUAL 2
*
Fs: 24.7 Hz | 24.9 Hz
Re: 0.65 Ohms/coil | 1.27 Ohms/coil
Qms: 7.45 | 7.38
Qes: .60 | .59
Qts: .55 | .55
Mms: 555g | 544g
Cms: 0.74mm/N | 0.74mm/N
Sd: 1210cm^2 | 1210cm^2
Vas: 153.7 l | 153.7 l
Spl: 87.8dB 1W/1m | 87.9dB 1W/1m
Bl: 13.7 N/A | 19.1 N/A
Xmax: 33mm | 33mm
Rms: 3000W | 3000W
Sealed box: 4-6 cuft | 4-6 cuft
Ported box: 6-8cuft | 6-8cuft
Sub OD: 18.500 | 18.500
Cut ID: 16.750 | 16.750
Mounting depth:11.750 | 11.750
Displacement: 0.26cuft | 0.26cuft
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Old 06-26-2013, 09:02 PM
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17.5 x 40 x 30". Slot port 28.5 x 4". 16sqin port.
7.12cuft.
31.73 hz.
Double baffle. Lots of bracing. Port up sub up. Port would be on one of the ends same side as sub

How does this look for a a single sp4
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  #3  
Old 06-26-2013, 09:16 PM
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Quote:
Originally Posted by tricky0303 View Post
17.5 x 40 x 30". Slot port 28.5 x 4". 16sqin port.
7.12cuft.
31.73 hz.
Double baffle. Lots of bracing. Port up sub up. Port would be on one of the ends same side as sub

How does this look for a a single sp4
if this is going in your cherokee, port back sub up should do good

if your looking for spl and daily, try 33hz tuning

dont care much about numbers, 31hz (what u calc)

7 cubes will work fine
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Old 06-26-2013, 10:52 PM
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looking to get loud daily....dont much care for termlab numbers.

Wanna move some air.

concern: only have about 4 inches between back of box and hatch. thats why i went port up. Think it will sound better port back? Any other concerns? Bout to head out to the Garage and start building

Thanks for your feedback so much appreciated
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  #5  
Old 06-26-2013, 10:56 PM
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Quote:
Originally Posted by tricky0303 View Post
looking to get loud daily....dont much care for termlab numbers.

Wanna move some air.

concern: only have about 4 inches between back of box and hatch. thats why i went port up. Think it will sound better port back? Any other concerns? Bout to head out to the Garage and start building

Thanks for your feedback so much appreciated
jeeps (if i remember right) , do good either port up/sub up or sub up/port back.... so if you want to make it port up/sub up go for it... but your slot port is 4" so 4" of clearance would still work... you could also swap a dimension... for example...if the box was 10 tall and 20 from front of jeep to back, u could go to 11 and 19 to gain clearancde...just double check internal volume
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Old 06-26-2013, 11:40 PM
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What box calculator should i use? I have Torres Tuning but im kinda confused
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Old 06-26-2013, 11:43 PM
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Quote:
Originally Posted by tricky0303 View Post
What box calculator should i use? I have Torres Tuning but im kinda confused
one of my favs

And

also good
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  #8  
Old 06-26-2013, 11:44 PM
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And for box volume use this
for finding volume
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tricky0303 (06-27-2013)
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