12inch 400W rms Midbass

Nominal diameter 311(12) mm (in.)
Nominal impedance 8 Ω
Minimum impedance 6.6 Ω
Program power (1) 800 W
AES Power rating(2) 400 W
Sensitivity (3) 97 dB
Frequency range 58 ~ 3500 Hz
Voice coil diameter 75(3) mm (in.)
Chassis material Aluminium
Magnet material Ferrite
Magnet dimensions (ODxIDxh) 170 x 85 x 20 mm
Coil material CCAW
Former material Glass Fiber
Xmax(4) 6 mm
Xmech(5) 11.5 mm
Gap height 9 mm
Voice coil Winding height 18 mm
SMALL SIGNAL PARAMETERS

DC resistance(Re) 5.3 Ω
Resonance frequency(Fs) 58 Hz
Moving mass(Mms) 65 g
Compliance(Cms) 0.15 mm/N
Force factor(BL) 17.50 N/A
Mechanical Q-factor(Qms) 4.3
Electrical Q-factor(Qes) 0.36
Total Q-factor(Qts) 0.33
Equivalent air volume(Vas) 60 I
Voice coil Inductance(Le) 0.75 mH
Diaphragm area(Sd) 542 cm2
Reference efficiency(Eta O) 2.6 %

Net weight 5.4 Kg
Multipack size (1) (W x D x H) 325 x 325 x 175 mm
Multipack weight 6 Kg