Recommended for professional audio
as a woofer in sealed and vented
enclosures.
SPECIFICATION :
Nominal Basket Diameter 15" , 381 mm
Nominal Impedance* 8 ©
Power Rating* *
Watts 300 W
Music Program 600 W
Resonance 35 Hz
Usable Frequency Range 45 Hz - 3.7 kHz
Sensitivity* * * 98.2 dB
Magnet Weight 34 oz.
Gap Height 0.312" , 7.9 mm
Voice Coil Diameter 2" , 51 mm
EMINENCE BETA 15A
THIELE & SMALL PARAMETERS :
Resonant Frequency ( fs) 35 Hz
DC Resistance ( Re) 6.32 ©
Coil Inductance ( Le) 1.1m H
Mechanical Q ( Qms) 8.1
Electromagnetic Q ( Qes) 0.63
Total Q ( Qts) 0.58
Compliance Equivalent Volume ( Vas) 334.6 liters / 11.82 cu.ft.
Peak Diaphragm Displacement Volume ( Vd) 330 cc
Mechanical Compliance of Suspension ( Cms) 0.35 mm/ N
BL Product ( BL) 11.5 T-M
Diaphragm Mass Inc. Airload ( MMs) 60 grams
Efficiency Bandwidth Product ( EBP) 56
Maximum Linear Excursion ( Xmax) 4 mm
Surface Area of Cone ( Sd) 823.7 cm2
Maximum Mechanical Limit ( Xlim) 11.6 mm
MOUNTING INFORMATION :
Recommended Enclosure Volume
Sealed 45-62 liters / 1.6-2.2 cu.ft.
Vented 99-175.6 liters / 3.5-6.2 cu.ft.
Driver Volume Displaced 0.118 cu.ft. / 3.33 liters
Overall Diameter 15.15" , 384.8 mm
Baffle Hole Diameter 13.87" , 352.3 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.25" , 6.4mm
Mounting Holes B.C.D. 14.56" , 369.8mm
Depth 6.05" , 153.7 mm
Net Weight 8.8 lbs, 3.99 kg
Shipping Weight 10.8 lbs, 4.9 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