M9.15

Modular subwoofer for simpler and easier repairs. Now repairs can be done in a matter of minutes. The subwoofer has an honest RMS – 900 watts, as well as even better efficiency than previous models.Voice coil – 2.5″ round copper   General feature Power Handling (RMS) 900 W VC diameter / material 2.5" round copper VC wire insulation Polyimide Frame material Steel Magnet size and q-ty 156*24mm x 2 pcs / 6.14*0.94" x 2 pcs Spider diameter and q-ty 193mm x 3 pcs / 7.6" x 3 pcs Cone material Paper with glass fiber Dust cap material Hi-temp ABS Parameters DC Resistance (Re) 0.4 Ω Free Air Resonance (Fs) Hz 31.2 Moving Mass (Mms) g 320 BL Tm 5.2 Total Speaker “Q” (Qts) 0.66 Electrical Q (Qes) 0.75 Mechanical Q (Qms) 5.5 Equivalent Compliance (Vas) L 68.7 One-Way Linear Excursion (Xmax) (BL 50%) mm 17 Sensitivity (1 W / 1 m) dB 86.9 Effective Piston Area (Sd) cm² 774 Physical Specifications Overall Diameter 390mm / 15.35" Mounting Hole Diameter