D2 ohm                                           D4 ohm 

Fs 27.9                                           Fs 29.5

Qms 5.56                                      Qms 5.57

Qes .42                                         Qes 0.51

Qts .39                                          Qts 0.47

Mms 384.7 gr                              Mms 355.8

Bl 26.7 N/A                                   Bl 28.8N/A

Spl 87.6 bB                                   Spl 87.3

Vas 2.567 cf                                 Vas 2.479 cf

EBP 66.4                                       EBP 57.8

X-max 28mm       "one way "     X-max 28mm

Ported enclosure 3.2c.feet per subwoofer

Tune 30-35Hz

Cut out 13  13/16''

Displacement .340 cf