Eminence - Alpha 15A Loudspeaker

Eminence - Alpha 15A Loudspeaker


  • £80.40
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A 15" loudspeaker rated at 200W.

THIELE & SMALL PARAMETERS Resonant Frequency (fs) 41Hz DC Resistance (Re) 5.88 Coil Inductance (Le) 0.84mH Mechanical Q (Qms) 7.23 Electromagnetic Q (Qes) 1.53 Total Q (Qts) 1.26 Compliance Equivalent Volume (Vas) 260.0 liters / 9.2 cu.ft. Peak Diaphragm Displacement Volume (Vd) 325cc Mechanical Compliance of Suspension (Cms) 0.25mm/N BL Product (BL) 7.7 T-M Diaphram Mass inc. Airload (Mms) 59 grams Efficiency Bandwidth Product (EBP) 27 Maximum Linear Excursion (Xmax) 3.8mm Surface Area of Cone (Sd) 856.3 cm2 Maximum Mechanical Limit (Xlim) 8.4mm MOUNTING INFORMATION Recommended Enclosure Sealed 71-85 liters/2.5-3 cu.ft. Vented 106-177 liters/3.75-6.25 cu.ft. Overall Diameter 15.15", 384.8mm Baffle Hole Diameter 13.77", 349.6mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.25", 6.4mm Mounting Holes B.C. D. 14.56", 369.9mm Depth 5.83", 148mm Net Weight 6.7 lbs., 3 kg Shipping Weight 8.8 lbs., 4 kg 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 Dustcap Composition Solid composition paper dust cap

Nominal Basket Diameter 15", 381mm
Nominal Impedance* 8 ohms
Power Rating
Watts 200W
Music Program 400W
Resonance 41Hz
Usable Frequency Range 46Hz-3.5kHz
Sensitivity*** 97
Magnet Weight 25 oz.
Gap Height 0.25", 6.35mm
Voice Coil Diameter 1.5", 38.1mm

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