Eminence Beta 12A  Woofer -

Eminence Beta 12A Woofer -

Regular price $69.95 Sale

 

Eminence Beta 12A

Call 801-771-1820 for any questions!!!We have MANY of these - just get in touch - we are 20 years EMINENCE DISTRIBUTOR!!!

We also sell to Dealers!!!
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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