Betavo Audio Speaker Component 15 inch B15 1737

B15-1737 Electro Acoustic Specification - Nominal Chassis Diameter 15/385 in/mm - Maximal Power 700 Watts - RMS Power 350 Watts - Impedance 8 ohm - Resonance(natural) Frequency 42 Hz - Frequency Response 42-4000 Hz - Sensitivity(1 W/1 m) 96 dB - Voice Coil Diameter 3 #34;/75.5 mm - Windling material GEI - Magnet 74 Oz Thiele Small Parameters - FS Hz 42 Hz - Vas 190 mM - RE Ohms 5.6 ohm - Qms 7 - Qes 0.6 - Qts 0.56 - BL T/m 13 T/m - MMS (grms) 75 grams - Xmax (mm) 6.4 mm - Sd 85 mM - Efficiency % 2.3% - EBP 70 - Nett Weight 5.45 KG - Gross Weight 6.65 KG - Packing Size 41*41*20 CM