Eminence Lab 12 Subwoofer Speaker - Eminence lab 12 ia a 12" subwoofer 500 watt RMS speaker. Great upgrade or replacement speaker for subwoofer systems.

AWESOME SUBWOOFER FOR HORN LOADED SPEAKER CABINETS!
Free UPS Ground Shipping in the U.S.	Lab-12C - 4 Ohm Version Item Price: $259.99
Free UPS Ground Shipping in the U.S.	Lab-12 - 6 Ohm Version Item Price: $259.99
WOOFER MODEL	LAB12 / LAB12C
Specifications
Nominal Basket Diameter	12" / 304.8mm
Impedance	4 or 6 ohms
RMS Power Rating	400 Watts
Program Power Rating	800 Watts
Frequency Response	25Hz - 125Hz
Sensitivity (1W/1m)	89.2dB SPL
Voice Coil Diameter	2.5" / 63.5mm
Rec. Enclosure Vol. (Sealed)	22.7-28.3 Liters / 0.8-1 cu. ft.
Rec. Enclosure Vol. (Vented)	45.3-101.9 Liters / 1.6-3.6 cu. ft.
Mounting Information
Overall Diameter	12.32" / 312.8mm
Bolt Circle Diameter	11.77" / 298.9mm
Baffle Cutout Diameter	10.89" / 278.9mm
No. Of Mounting Holes	8
Mounting Hole Diameter	0.26" / 6.6mm
Magnet Weight	160 oz.
Net Weight	23.8 lbs. / 10.8 kg.
Thiele-Small Parameters
Resonant Frequency (fs)	22 Hz
Impedance (Re)	4.29 ohms
Coil Inductance (Le)	1.48mH
Electromagnetic Q (Qes)	.39
Mechanical Q (Qms)	13.32
Total Q (Qts)	.38
Compliance Equivalent Vol. (Vas)	125.22 Liters/4.42cu. ft.
Voice Coil Overhang (Xmax)	13.0mm
BL Factor (BL)	15.0T-M
Surface Area of Cone (Sd)	.05067m2
FREQUENCY RESPONSE