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Eminence Beta-15A - 8 ohm 15" 300W Pro Audio Woofer

Eminence Beta-15A - 8 ohm 15" 300W Pro Audio Woofer
Ship weight
4.91 kg
Priced per:
8 ohm
Specifications Sheet:
Cabinet Design:
Your price:
CDN $123.97
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Recommended for professional audio as a woofer in sealed and vented enclosures.

Speaker Detail
Nominal Basket Diameter15", 381 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power600 W
Watts300 W
Resonance35 Hz
Usable Frequency Range45 Hz - 3.7 kHz
Sensitivity*98.2 dB
Magnet Weight34 oz.
Gap Height0.31", 7.9 mm
Voice Coil Diameter2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs)35 Hz
DC Resistance (Re)6.32 Ω
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 Displaced0.118 cu.ft. / 3.33 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
Depth6.05", 153.7 mm
Net Weight8.8 lbs, 3.99 kg
Shipping Weight10.8 lbs, 4.9 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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