4x Eminence Beta-12LTA 12" Mid-Bass Pro Audio Woofer 450W Midrange Speaker 8-Ohm

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SKU:
4x Eminence Beta-12LTA 12" Mid-Bass Pro Audio Woofer 450W Midrange Speaker 8-Ohm
UPC:
876358000142
Condition:
New
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$319.96
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Product Description

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(4) Eminence BETA-12LTA 12" / 8 ohms / 450 Watts (FOUR)

Recommended for professional audio as a woofer in small sealed monitors, or as a PA woofer or monitor in a vented enclosure.


Specification
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating
Program Power 450 W
Watts 225 W
Resonance 45 Hz
Usable Frequency Range 48 Hz - 8 kHz
Sensitivity* 97.7 dB
Magnet Weight 38 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs) 45 Hz
DC Resistance (Re) 7.37 Ω
Coil Inductance (Le) 0.83m H
Mechanical Q (Qms) 6.44
Electromagnetic Q (Qes) 0.55
Total Q (Qts) 0.51
Compliance Equivalent Volume (Vas) 136.3 liters / 4.81 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 170 cc
Mechanical Compliance of Suspension (Cms) 0.34 mm/N
BL Product (BL) 11.7 T-M
Diaphragm Mass Inc. Airload (MMs) 36 grams
Efficiency Bandwidth Product (EBP) 82
Maximum Linear Excursion (Xmax) 3.2 mm
Surface Area of Cone (Sd) 532.4 cm2
Maximum Mechanical Limit (Xlim) 8 mm
Mounting Information
Recommended Enclosure Volume
Sealed 14-51 liters / 0.5-1.8 cu.ft.
Vented 56.6-116 liters / 2-4.1 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 4.47", 113.5 mm
Net Weight 8.1 lbs, 3.67 kg
Shipping Weight 10.2 lbs, 4.63 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core


Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap

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Return Information

We want you to be completely happy with your purchase. If you are not satisfied with any product, you may return it for a refund of the purchase price within a fair amount of time from the shipping date (30 days). If your purchase was eligible for Free Shipping, the shipping cost will be deducted from your credit or refund. Returns must be in the complete and original packaging with all accessories and complete documentation (Owner's Manual, warranty card, quick start guides, etc.), show no signs of wear or use, and include a Return Authorization number or be subject to a restocking fee. Products like software, speakers, tubes, personal items (such as in-ear monitors, etc), and items which are not normally stocked ("Special Orders", discontinued products, close-outs, used products, etc.) are not returnable.