Description
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Eminence Big Ben 15" 8ohm Guitar Speaker
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SPECIFICATION
Nominal Basket Diameter 15", 381 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power N/A
Watts 225 W
Resonance 85 Hz
Usable Frequency Range 70 Hz - 3.5 kHz
Sensitivity* 101.3 dB
Magnet Weight 56 oz.
Gap Height 0.37", 9.5 mm
Voice Coil Diameter 2.5", 64 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 85 Hz
DC Resistance (Re) 6.06 Ω
Coil Inductance (Le) 0.51m H
Mechanical Q (Qms) 10.63
Electromagnetic Q (Qes) 1.04
Total Q (Qts) 0.94
Compliance Equivalent Volume (Vas) 77.7 liters / 2.74 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 0 cc
Mechanical Compliance of Suspension (Cms) 0.08 mm/N
BL Product (BL) 12.1 T-M
Diaphragm Mass Inc. Airload (MMs) 47 grams
Efficiency Bandwidth Product (EBP) 82
Maximum Linear Excursion (Xmax) 0 mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) N/A
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed N/a
Vented Acceptable
Driver Volume Displaced 0.128 cu.ft. / 3.62 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 6.1", 154.9 mm
Net Weight 12.6 lbs, 5.72 kg
Shipping Weight 14.9 lbs, 6.76 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Non-vented core
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Zurette dust cap
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