Description
Eminence Beta 12A-II MESSAGE US for any questions!!!We have MANY of these - just get in touch - we are 20 years EMINENCE DISTRIBUTOR!!! We also sell to Dealers!!!
ALLLLLL OTHER MODELS AVAILABLE!!!
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SPECIFICATION
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Nominal Basket Diameter
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12", 300.2mm
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Nominal Impedance*
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8 ohms
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Power Rating
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Watts
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250W
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Music Program
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500W
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Resonance
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50 Hz
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Usable Frequency Range
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50 Hz-300 Hz
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Sensitivity***
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96.8
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Magnet Weight
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34 oz.
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Gap Height
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0.312", 9 mm
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Voice Coil Diameter
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2", 50 mm
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THIELE & SMALL PARAMETERS
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Resonant Frequency (fs) 50
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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
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