“Specifications. Nominal Basket Diameter: 15″”/381mm. Impedance: 4 ohms. RMS Power Rating: 300 Watts. Frequency Response: 52Hz-2.5kHz. Sensitivity: 98dB SPL. Voice Coil Diameter: 2.5″”/63.5mm. Net Weight: 5.7lbs./2.6kg.. Shipping Weight: 8.6 lb./3.9 kg. Rec. Enclosure Volume (Sealed): 1.6-2.9 cu.ft./45-82 Liters. Rec. Enclosure Volume (Vented): 3.0-4.2 cu.ft./85-119 Liters
. Thiele & Small Parameters. Resonant Frequency (fs): 38Hz. DC Resistance (Re): 3.72. Coil Inductance (Le): 0.39mH. Mechanical Q (Qms): 4.7. Electromagnetic Q (Qes): 0.5. Total Q (Qts): 0.45. Compliance Equivalent Volume (Vas): 260 liters/9.2 cu. ft.. Peak Diaphragm Displacement Volume (Vd): 381cc. Mechanical Compliance of Suspension (Cms): 0.26mm/N. BL Product (BL): 11.1 T-M. Diaphragm Mass inc. Airload (Mms): 70 grams. Efficiency Bandwidth Product (EBP): 76. Maximum Linear Excursion (Xmax): 4.5mm. Surface Area of Cone (Sd): 856cm2. Maximum Mechanical Limit”
“Eminence Basslite C2515 15″” Bass Speaker Standard”