Box/Aero port advice on PSI Plat 2 12" - Car Audio Classifieds!
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Old 09-26-2012, 12:40 AM
Eth anol's Avatar
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Default Box/Aero port advice on PSI Plat 2 12"

I am looking for some good box/aeroport advice, my tuning is focused on 32 hz, my sub is a 12" PSI Platform 2, what size box 2.0-2.5 cubes? 4", 6" dual 4" aero ports? This setup is going in a trunk, facing either trunk or cabin, depends!!!! how will the sound affect between a single 6" a 4" or 2 4" aero ports, im not going for numbers but want to be loud to the ears while.being able to play low
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Old 09-26-2012, 01:16 AM
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go with the 2.5cu ft and a 6" port.
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Old 09-26-2012, 01:25 AM
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I would go to this link http://psicaraudio.com/products-page...m-2-subwoofer/

as you will see the on site :
Power Handling Ratings:
RMS Power - 1500 watts
Peak Power Handling - 3000 watts
Standard features include:
Dual stacked 7.5" x 1" Y35 ceramic slugs
Chrome top and bottom plates
FEA optimized motor assembly
8 spoke aluminum cast frame - Black
Chrome push terminals
Extended length 4 layer aluminum roundwire voice coil
Dual 1 and Dual 2 ohm standard impedances
Dual 8" progressive roll poly-cotton spiders
Sewn 3mm heavy duty leadwire
Kevlar impregnated pulp cone body
1.5" wide roll rubberized foam surround
6" polypropylene dome dustcap
PSI logo
Enclosure Recommendations:
Sealed - 0.7-1.5 ft^3
Ported - 1.65-2.5 ft^3
This product may also be used in Infinite Baffle and Bandpass applications. Please contact us before purchasing this product for these installations.
T/S Parameters for standard Platform 2 12":
Revc = 3.4 ohms
Fms = 29.3 Hz
Qes = 0.52
Qms = 5.3
Qts = 0.48
Sd = 490cm^2
Vas = 54.1 L
BL = 15.5
Mms = 198.3 g
Sensitivity = 85.8 dB @1W/1m
Sensitivity = 89.4 dB @2.83Vrms/1m
Xmax = 56mm total
Usable excursion = 3" total
Product Dimensions:
Overall diameter - 12.5" w/ gasket
Cutout Diameter - 11.125"
Mounting Depth - 6.5"
Displacement in enclosure - .16 ft^3
Weight - 37 lbs



This is a standard model subwoofer, with no performance or cosmetic upgrades included. If you would like to customize this series of subwoofer, please submit a

http://psicaraudio.com/contact-us/





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Old 09-26-2012, 01:34 AM
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If I were to do the 6in aero port, it needs to be approx 26 inches long according to aero port calc for 32hz, is thst correct, Ive seen people run shorter ports? Am I missing out on something?
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Old 09-26-2012, 02:27 AM
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Quote:
Originally Posted by Eth anol View Post
If I were to do the 6in aero port, it needs to be approx 26 inches long according to aero port calc for 32hz, is thst correct, Ive seen people run shorter ports? Am I missing out on something?
Winisd is saying 24.5" with two flared ends and 2.5 net.

Shorter port + same port area = higher tuning

longer port + same port area = lower tuning

same port + more port area = higher tuning

same port + less port area = lower tuning

So the shorter you make it the higher tuning is.

36hz tuning shows 18.3" long at 2.5 net with flared ends.

I wouldn't go any higher than 38 for daily which would be just about 16"
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Old 09-26-2012, 09:28 AM
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I get ya, but is there a difference of running a 6" which is going to have to be longer or a 4" which can be shorter and take up less space, which will sound different
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Old 09-26-2012, 09:37 AM
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And is there a sound, difference of. Running a 2.5 cube net box with a 4" flared aero which needs 11" of length according to psp calc, or 6" aero that needs like 26" of port length
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