Eminence Beta 10CX coaxial speaker. The Eminence Beta 10CX is a 10" 8 ohm coaxial speaker.

THE EMINENCE BETA-10CX 10" COAXIAL SPEAKER WORKS GREAT IN A SMALL SEALED OR PORTED SPEAKER CABINET!
	Item Price: $139.99 Free UPS Ground Shipping in the U.S.
WOOFER MODEL	BETA-10CX
Specifications
Nominal Basket Diameter	10" / 254mm
Impedance	8 Ohms
RMS Power Rating	250 Watts
Program Power Handling	500 Watts
Frequency Response*	58Hz - 20kHz
Sensitivity (1W/1m)	93.3dB
Voice Coil Diameter	2" / 50.8mm
Rec. Enclosure Volume(Sealed)	.5-.7cu. ft./14.2-19.8 Liters
Rec. Enclosure Volume(Vented)	.55-3.0cu. ft./15.6-85 Liters.
Mounting Information
Overall Diameter	10.08" / 256mm
Bolt Circle Diameter	9.66" / 245.4mm
Baffle Cutout Diameter	9.18" / 233.2mm
No. Of Mounting Holes	8
Mounting Hole Diameter	0.25" / 6.4mm
Overall Depth	3.98" / 101.1mm
Magnet Weight	38 oz.
Net Weight	7.3 lbs. / 3.31 kg.
Shipping Weight	8.4 lbs. / 3.7kg.
Thiele-Small Parameters
Resonant Frequency (fs)	49 Hz
Impedance (Re)	5.53 ohms
Coil Inductance (Le)	0.75 mH
Electromagnetic Q (Qes)	.43
Mechanical Q (Qms)	5.21
Total Q (Qts)	.39
Compliance Equivalent Vol. (Vas)	64.2 Liters/2.3cu. ft.
Voice Coil Overhang (Xmax)	5.0mm
Diaphragm Mass (Mms)	29 Grams
BL Factor (BL)	10.88 T-M
Surface Area of Cone (Sd)	.03449m2
BETA-10CX FREQUENCY RESPONSE CURVE

* when using Eminence w/ APT-50 supertweeter, ASD1001S OR PSD2002S-8