Eminence Beta 12A Woofer - FREE SHIPPING!!! AUTHORIZED DISTRIBUTOR!

Eminence Beta 12A

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SPECIFICATION

Nominal Basket Diameter

12", 300.2mm

Nominal Impedance*

8 ohms

Power Rating

Watts

250W

Music Program

500W

Resonance

50 Hz

Usable Frequency Range

50 Hz-300 Hz

Sensitivity***

96.8

Magnet Weight

34 oz.

Gap Height

0.312", 9 mm

Voice Coil Diameter

2", 50 mm

THIELE & SMALL PARAMETERS

Resonant Frequency (fs)  50

DC Resistance (Re)  5.07

Coil Inductance (Le)  .84mH

Mechanical Q (Qms)  5.82

Electromagnetic Q (Qes)  .57

Total Q (Qts)  0.52

Compliance Equivalent Volume (Vas)  114.5 liters / 4.05 cu.ft.

Peak Diaphragm Displacement Volume (Vd)  42 cc

Mechanical Compliance of Suspension (Cms)  0.29mm/N

BL Product (BL)   11.6 T-M

Diaphram Mass inc. Airload (Mms)  35 grams

Efficiency Bandwidth Product (EBP)  88

Maximum Linear Excursion (Xmax)  .80mm

Surface Area of Cone (Sd)   532.0 cm2

Maximum Mechanical Limit (Xlim)  18.2mm

MOUNTING INFORMATION

Recommended Enclosure  Sealed  44.8-80.7 liters/1.7-4.1cu.ft.

Vented  40.9-163 liters

Overall Diameter   12", 300.2mm

Baffle Hole Diameter  10.97"

Front Sealing Gasket  Fitted as standard

Rear Sealing Gasket  Fitted as standard

Mounting Holes Diameter  0.28", 7.1mm

Mounting Holes B.C. D. 11.65", 

Depth 4.47

Net Weight   9.4 lbs.

MATERIALS OF CONSTRUCTION

Coil Construction  Copper voice coil

Coil Former  Kapton

Magnet Composition  Ferrite magnet

Core Details   

Basket Materials  Stamped aluminum basket

Cone Composition  Treated Paper

Cone Edge Composition   Cloth cone edge

Dustcap Composition   Cloth top spider

CALL 801 771 1820 for Questions