Eminence Beta 8A speaker. The Eminence Beta 8A is a 8" 8 ohm speaker for all bass applications including bass guitar cabinets. Beta-8A is a 225 watt RMS 8" woofer.

THE EMINENCE BETA-8A IS A POWERFUL 8" SPEAKER WITH VERY GOOD UPPER BASS AND MIDS!

	Item Price: $89.99 Free UPS Ground Shipping in the U.S.
WOOFER MODEL	BETA-8A
Specifications
Nominal Basket Diameter	8" / 203.2mm
Impedance	8 Ohms
RMS Power Rating	225 Watts
Program Power Handling	450 Watts
Frequency Response	78Hz - 4.5kHz
Sensitivity (1W/1m)	95.1dB
Voice Coil Diameter	2" / 50.8mm
Max. Crossover Frequency	4.5kHz
Rec. Enclosure Volume(Sealed)	5.7-9.9 Liters / 0.2-0.35 cu. ft.
Rec. Enclosure Volume(Vented)	8.5-19 Liters / 0.3-0.67 cu. ft.
Mounting Information
Overall Diameter	8.24" / 209.3mm
Bolt Circle Diameter	7.75" / 196.9mm
Baffle Cutout Diameter	7.13" / 181.1mm
No. Of Mounting Holes	8
Mounting Hole Diameter	0.22" / 5.6mm
Overall Depth	3.5" / 88.9mm
Magnet Weight	34 oz.
Net Weight	6.6 lbs. / 2.99 kg.
Shipping Weight	7.4 lbs. /3.4kg.
Thiele-Small Parameters
Resonant Frequency (fs)	65 Hz
Impedance (Re)	5.99 ohms
Coil Inductance (Le)	0.49mH
Electromagnetic Q (Qes)	.42
Mechanical Q (Qms)	4.95
Total Q (Qts)	.38
Compliance Equivalent Vol. (Vas)	23.3 Liters/.82cu. ft.
Voice Coil Overhang (Xmax)	3.0mm
Diaphragm Mass (Mms)	16 Grams
BL Factor (BL)	9.6 T-M
Surface area of Cone (Sd)	.02141m2
BETA-8A RESPONSE CURVE