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Eminence Alpha-15A - 8 ohm 15" 200W Pro Audio Woofer

Eminence Alpha-15A - 8 ohm 15" 200W Pro Audio Woofer
Ship weight
4.00 kg
Priced per:
8 ohm
Specifications Sheet:
Cabinet Design:
Your price:
CDN $114.97
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Recommended for professional audio as a woofer in a vented or sealed enclosure. Also suitable for bass guitar applications.

Speaker Detail
Nominal Basket Diameter15", 381 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power400 W
Watts200 W
Resonance41 Hz
Usable Frequency Range46 Hz - 3.5 kHz
Sensitivity*97 dB
Magnet Weight25 oz.
Gap Height0.25", 6.4 mm
Voice Coil Diameter1.5", 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 Displaced0.113 cu.ft. / 3.21 liters
Overall Diameter15.15", 384.8 mm
Baffle Hole Diameter13.87", 352.3 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.25", 6.4mm
Mounting Holes B.C.D.14.56", 369.8mm
Depth5.83", 148.1 mm
Net Weight6.7 lbs, 3.04 kg
Shipping Weight8.8 lbs, 3.99 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented and extended core
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
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