rockford trf2215 airspace?

Would any one know what airspace this sub takes. I've searched and searched and can't find much. It's the team RF 15 Competition Class Sub.

I'll see if I can look around for you.

Here's a little info though

[quote]I called RF and they told me that when they were using them they had 256 square inches of port per sub and the subs were in 12 cube boxes. [/quote]

These are the specs for the 12s.

DC Resistance (Re) 2 x 1.4 ohms
Resonance Frequency (Fs) 38 Hz
Total Q Factor (Qts) 0.27
Electrical Q Factor (Qes) 0.28
Mechanical Q Factor (Qms) 4.328
Effective Cone Area (SD) 133 in^2 (0.086 m^2)
Equivalent Air Volume (VAS) 2.23 ft^2 (63.1 L)
Compliance (Cms) 6.13E-05 m/N
Moving Mass (Mms) 9.95 oz (282 g)
Voice Coil Diameter 4 in (102 mm)
Voice Coil Winding Width 2.42 in (61.5 mm)
Voice Coil Former Material 8 Mil Aluminum
Voice Coil Inductance 2.92 mH
Force Factor (BL) 26.33 Tm
Linear Excursion (Xmax) 0.61 in (15.5 mm)
Sensitivity (SPL) 93.1 dB
Operating Power (PE) 2000 W RMS / 4000 W Peak
Mounting Diameter 13.813 in (351 mm)
Mounting Depth 9.3 in (236 mm)

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Kenwood XXV-05V
Clarion 7" Monitor
(4) T212D2
(1) RF T40001BD
(1) RF Power 750X
(2) T162S Components
(1) 3Sixty.2 (Not installed)
(2) Powermaster D3100s

If you are makeing a ported box then for a R.F 15" it will be between 2.5cu.ft to 3cu.ft. I usally made mine 3cu.ft on the inside measurements and used a 4" port that was 6.25" long and tuned it to around 35Htz.

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Pioneer DEH-P960MP+Multi-CD Player Rockfordfosgate 225.2
Rockfordfosgate T8004 Rockfordfosgate 2 T110D2 InFinity Reference Components 2 sets of 6000cs 2 sets 6800cs

looking to go vented, ive got about 20x30x20 to work with

anyone?