Open 10am-5:30pm Monday-Friday | 10am-3pm Saturday | 10am-2pm Sunday

Eminence - ALPHA-15A
Eminence - ALPHA-15A_2
Eminence - ALPHA-15A_3
Eminence - ALPHA-15A_4

Eminence - ALPHA-15A

Regular price
$269.99
Sale price
$269.99
Unit price
per 
Tax included.

Recommended for professional audio and bass guitar applications as a woofer in a vented or sealed enclosure.


SPECIFICATION
Nominal Basket Diameter 15", 381 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 400 W
Watts 200 W
Resonance 41 Hz
Usable Frequency Range 46 Hz - 3.5 kHz
Sensitivity* 97 dB
Magnet Weight 25 oz.
Gap Height 0.25", 6.4 mm
Voice Coil Diameter 1.5", 38 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 41 Hz
DC Resistance (Re) 5.88 Ω
Coil Inductance (Le) 0.84m H
Mechanical Q (Qms) 7.23
Electromagnetic Q (Qes) 1.53
Total Q (Qts) 1.26
Compliance Equivalent Volume (Vas) 260 liters / 9.18 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 325 cc
Mechanical Compliance of Suspension (Cms) 0.25 mm/N
BL Product (BL) 7.7 T-M
Diaphragm Mass Inc. Airload (MMs) 59 grams
Efficiency Bandwidth Product (EBP) 27
Maximum Linear Excursion (Xmax) 3.8 mm
Surface Area of Cone (Sd) 856.3 cm2
Maximum Mechanical Limit (Xlim) 8.4 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed 71-85 liters / 2.5-3 cu.ft.
Vented 106-177 liters / 3.75-6.25 cu.ft.
Driver Volume Displaced 0.113 cu.ft. / 3.21 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 5.83", 148.1 mm
Net Weight 6.7 lbs, 3.04 kg
Shipping Weight 8.8 lbs, 3.99 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