DLS RCW12

Woofer size    12" (30 cm)
Impedance    2 x 4 ohm
Power handling capacity    400 W RMS
Max power handling capacity    800 W
Peak power    1000 W
Frequency range    22 - 1000 Hz
Sensitivity    86,5 dB (1W/1m)
Magnet size    188 mm (7,4")
Outer diameter of woofer    315 mm (12,4")
Mounting depth    155 mm ( 6,1")
Mounting hole    284 mm ( 11,18")
X-max    +- 9 mm (0,35")
Weight    9,5 kg (20,9 lbs)
T/S parameters
single V/C    
Fs     29,7     Hz      Re     2x3,2     Ohm      Qms     3,16    
Vas     48,6     liter      Vas     1,71     Cuft      Qes     0,28    
Qts     0,38          Sd     531     cm²      BL     17,5