witam głosnik jest w dobrym stanie zachecam do licytacji. KAPPA-15A American Standard Series Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar. SPECIFICATION Nominal Basket Diameter 15", 381 mm Nominal Impedance 8 ohms Power Rating Watts 450 W / Music Program 900 W Resonance 33 Hz Usable Frequency Range 52 Hz - 2.3 kHz Sensitivity 100.5 Magnet Weight 80 oz. Gap Height 0.375", 9.53 mm Voice Coil Diameter 3", 76.2 mm THIELE & Small Parameters Resonant Frequency (fs) 33 Hz DC Resistance (Re) 5.22 Coil Inductance (Le) 1.05 mH Mechanical Q (Qms) 8.90 Electromagnetic Q (Qes) 0.33 Total Q (Qts) 0.32 Compliance Equivalent Volume (Vas) 321.3 liters / 11.35 cu. ft. Peak Diaphragm Displacement Volume (Vd) 343 cc Mechanical Compliance of Suspension (Cms) 0.31 mm/N BL Product (BL) 15.7 T-M Diaphragm Mass inc. Airload (Mms) 76 grams Efficiency Bandwidth Product (EBP) 98 Maximum Linear Excursion (Xmax) 4.0 mm Surface Area of Cone (Sd) 856.3 cm² Maximum Mechanical Limit (Xlim) 11.6 mm