Eminence Beta 12A speaker. The Eminence Beta 12A is a 10" 8 ohm speaker for all bass applications including bass guitar cabinets. Beta-12A is a 250 watt RMS 12" woofer.

GOOD SOUND & A NICE UPGRADE IN A BASS OR PA CABINET!

Item Price: $64.99
WOOFER MODEL	BETA-12A
Specifications
Nominal Basket Diameter	12" / 304.8mm
Impedance	8 ohms
RMS Power Rating	250 Watts
Progra Power Handling	500 Watts
Frequency Response	43Hz - 3.8kHz
Sensitivity (1W/1m)	98dB
Voice Coil Diameter	2" / 50.8mm
Max. Crossover Frequency	3.8kHz
Rec. Enclosure Volume(Sealed)	.9-1.25cu. ft./25.5-35.4 Liters
Rec. Enclosure Volume(Vented)	1.3-4.9cu. ft./36.8-139 Liters
Mounting Information
Overall Diameter	12.02" / 305.2mm
Bolt Circle Diameter	11.63" / 295.3mm
Baffle Cutout Diameter	10.97" / 278.6mm
No. Of Mounting Holes	8
Mounting Hole Diameter	0.275" / 7mm
Overall Depth	4.47" / 113.5mm
Magnet Weight	38 oz.
Shipping Weight	9.7 lbs. / 4.4kg.
Thiele-Small Parameters
Resonant Frequency (fs)	47 Hz
Impedance (Re)	5 ohms
Coil Inductance (Le)	0.64mH
Electromagnetic Q (Qes)	.5
Mechanical Q (Qms)	6.0
Total Q (Qts)	.46
Compliance Equivalent Vol. (Vas)	120.1 Liters/4.2cu. ft
Voice Coil Overhang (Xmax)	4.4mm
BL Factor (BL)	10.8 T-M
Surface area of Cone (Sd)	.05324m2
BETA-12A RESPONSE CURVE