Speaker Black Spider 15 inch Blackspider 1575 BS 1575

Speaker Black Spider 15 inch Blackspider 1575 BS 1575 SPESIFIKASI Nominal Diameter 397mm / 15inch Rated Impedance 8 ohm Nominal Power Handling 500 Watts Program Power 1000 Watts Sensitivity (1w/1m) 98.7dB Frequency Range 39-3.8K Hz Voice Coil Diameter 75mm/3inch Voice Coil Material Kapton Voice Coil Winding Depth 14.8mm Magnet Gap Depth 8mm Cone Shape Curved Surround Material Cloth Basket Pressed Steel Magnet Type Ferrite 170x85x20mm Resonance Frequency Fs 39 Hz DC Resistance Re 5.6 Ohm Mechanical Factor Qms 10.20 Electrical Factor Qes 1.05 Total Factor Qts 0.95 Mechanical Compliance Cms 0.5 mm/N Effective Moving Mass Mms 37gr Half-space efficiency Eff 0.87 % BL Factor BL 6.91 T.m Equivalent Cas Air Load Vas 812 Liters Effective Piston Area SD 1134cm2 Max Linear Excursion Xmax 3.5mm Voice Coil Inductance Le1K 1.185mH