Spl Dynamics SPL-460 D2 18' Subwoofer

Specifications 30000 Watt short burp Model SPL-460D2 Size 470mm ( 18" ) Power handling (RMS/Peak) 1500/3000 W , 30,000 watt short burp Nominal impedance 2 x 2 Ohm Mounting depth 265 mm Mounting diameter 424 mm Magnet weight 300 oz Voice Coil diameter 76 mm ( 3 " ) Voice Coil Type/Material DVC / BASV Weight 23.5 kg Voice Coils connection series parallel Impedance 4 Ohm, 1 Ohm Fs - Hz - Hz Vas - L - L Qts - - Qes - - Qms - - Xmax (lin/peak) 11.5/23 mm 11.5/23 mm Re 1.8 Ohm 0.45 Ohm Mms - g - g BL 21.23 TM 11.20 TM SPL (1W/1m) - dB - dB