EMINENCE ALPHA-15 15" 200 W 8 Ohm
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a ventedsatellite enclosure.
SPECIFICATION
* Nominal Basket Diameter 15", 381 mm * Nominal Impedance 8 ohms * Power Rating Watts 200 W / Music Program 400 W * Resonance 41 Hz * Usable Frequency Range 46 Hz - 3.5 kHz * Sensitivity 97 * Magnet Weight 25 oz. * Gap Height 0.25", 6.35 mm * Voice Coil Diameter 1.5", 38.1 mm
THIELE & Small Parameters
* Resonant Frequency (fs) 41 Hz * DC Resistance (Re) 5.88 * Coil Inductance (Le) 0.84 mH * 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) 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. * Overall Diameter 15.15", 384.8 mm * Baffle Hole Diameter 13.77", 349.6 mm * Front Sealing Gasket fitted as standard * Rear Sealing Gasket fitted as standard * Mounting Holes Diameter 0.25", 6.4 mm * Mounting Holes B.C.D. 14.56", 369.9 mm * Depth 5.83", 148 mm
MATERIALS of Construction
* Copper voice coil * Polyimide former * Ferrite magnet * Vented and extended core * Pressed steel basket * Paper Cone * Cloth cone edge * Solid composition paper dust cap
