Model      XTR-250D4
Size         275mm ( 10" )
Power handling (RMS/Peak)    600/1200 W
Nominal impedance                2 x 4 Ohm
Mounting depth                         154 mm
Mounting diameter                   234 mm
Magnet weight                           160 oz
Voice Coil diameter                   63 mm ( 2.5" )
Voice Coil Type/Material          DVC / BASV
Weight                                        10.8 kg
Voice Coils connection           series
                                                     parallel
Impedance
                                     8 Ohm                2 Ohm
Fs                             32.7 Hz                 33.3 Hz
Vas                            23.3 L                   22.6 L
Qts                             0.354                      0.392
Qes                            0.391                     0.432
Qms                           3.768                     4.236
Xmax (lin/peak)       11/22 mm            11/22 mm
Re                              6.4 Ohm               1.6 Ohm
Mms                             160 g                   160 g
BL                              23.01 TM                11.53 TM
SPL (1W/1m)            85.1 dB                 84.9 dB
Box suggestions
Closed box
15-20 L
Bass-Reflex box - Car / Hifi
35 L + 3 " putki / length 21cm
Tuning frequency 35Hz
Bass-Reflex box - Car / Loudmusic
30 L + 3" putki / length 18cm
Tuning frequency 40Hz
Bass-Reflex box - Home Theatre
40 L + 3" putki / length 26cm
Tuning frequency 30Hz
