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Eminence Speakers BETA-15A
Eminence BETA-15A Professional Series 15 Inch Subwoofer
BETA-15A
Eminence BETA-15A Professional Series 15 Inch Subwoofer
Thunder AV Price: $79.95

Detailed Description

SPECIFICATION
Nominal Basket Diameter 15", 381mm
Nominal Impedance* 8 ohms
Power Rating
Watts 300W
Music Program 600W
Resonance 35Hz
Usable Frequency Range 45Hz-3.7kHz
Sensitivity*** 98.2
Magnet Weight 34 oz.
Gap Height 0.312", 7.92mm
Voice Coil Diameter 2", 50.8mm

THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 35Hz

DC Resistance (Re) 6.32
Coil Inductance (Le) 1.10mH
Mechanical Q (Qms) 8.10
Electromagnetic Q (Qes) 0.63
Total Q (Qts) 0.58
Compliance Equivalent Volume (Vas) 334.6 liters / 11.8 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 330cc
Mechanical Compliance of Suspension (Cms) 0.35mm/N
BL Product (BL) 11.5 T-M
Diaphram Mass inc. Airload (Mms) 60 grams
Efficiency Bandwidth Product (EBP) 56
Maximum Linear Excursion (Xmax) 4.0mm
Surface Area of Cone (Sd) 823.7 cm2
Maximum Mechanical Limit (Xlim) 11.6mm

MOUNTING INFORMATION
Recommended Enclosure
Sealed 45-62 liters/1.6-2.2 cu.ft.
Vented 99-175.6 liters/3.5-6.2 cu.ft.
Overall Diameter 15.15", 384.8mm
Baffle Hole Diameter 13.77", 349.6mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C. D. 14.56", 369.9mm
Depth 6.05", 154mm
Net Weight 8.8 lbs., 4 kg
Shipping Weight 10.8 lbs., 4.9 kg

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
Dustcap Composition Solid composition paper dust cap

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