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Eminence Beta-12A-2 12” Replacement Speaker

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Item#: BETA12A
UPC: 0876358000111
Usually ships in 1-3 days from Eminence
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Free Shipping on most orders with minimum purchase of $50 or more for a limited time. Ground shipments only in the lower 48 contiguous United States. Excludes oversized or overweight items such as oversized speakers, oversized cases, trussing & staging. Other exclusions include some fluids, some parts & special orders. Any questions, please call 1-800-355-7746 during normal business hours. Offer subject to change or termination without notice. Not responsible for typographical errors.

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About This Product

Eminence Beta-12A 12” American Standard Series Replacement Speaker

Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure.

Eminence Beta-12A-2 Specifications
Specification
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating**
Watts 250 W
Music Program 500 W
Resonance 47 Hz
Usable Frequency Range 43 Hz - 3.8 kHz
Sensitivity*** 98 dB
Magnet Weight 38 oz.
Gap Height 0.312", 7.9 mm
Voice Coil Diameter 2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs) 47 Hz
DC Resistance (Re) 5 Ω
Coil Inductance (Le) 0.64m H
Mechanical Q (Qms) 6
Electromagnetic Q (Qes) 0.5
Total Q (Qts) 0.46
Compliance Equivalent Volume (Vas) 120.1 liters / 4.24 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 237 cc
Mechanical Compliance of Suspension (Cms) 0.29 mm/N
BL Product (BL) 10.8 T-M
Diaphragm Mass Inc. Airload (MMs) 40 grams
Efficiency Bandwidth Product (EBP) 94
Maximum Linear Excursion (Xmax) 4.4 mm
Surface Area of Cone (Sd) 538.9 cm2
Maximum Mechanical Limit (Xlim) 11. mm
Mounting Information
Recommended Enclosure Volume
Sealed 25.5-35.4 liters / 0.9-1.25 cu.ft.
Vented 36.8-139 liters / 1.3-4.9 cu.ft.
Driver Volume Displaced 0.071 cu.ft. / 2 liters
Overall Diameter 12.03", 305.6 mm
Baffle Hole Diameter 11.07", 281.2 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C.D. 11.59", 294.4mm
Depth 4.57", 116.1 mm
Net Weight 7.5 lbs, 3.4 kg
Shipping Weight 9.7 lbs, 4.4 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
   
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap
The BETA-12A Box Includes:
(1) Eminence Beta-12A 12” American Standard Series Replacement Speaker