คำอธิบาย

Specs
Nominal Impedance 6 Ω
DC resistance, Re 4.6 Ω
Voice coil inductance, Le 2.1 mH
Effective piston area, Sd 850 cm2
Voice coil diameter 75.6 mm
Voice coil height 31 mm
Air gap height 8 mm
Linear coil travel (p-p) 23 mm
Magnetic flux density 1.1 T
Magnet weight 3.6 kg
Net weight 10.2 kg
Free air resonance, Fs 18.4 Hz
Sensitivity (2.83V/1m) 93 dB
Mechanical Q-factor, Qms 7.4
Electrical Q-factor, Qes 0.32
Total Q-factor, Qts 0.31
Moving mass incl. air,Mms 166 g
Force factor, Bl 16.7 Tm
Equivalent volume, Vas 462 liters
Compliance, Cms 0.45 mm/N
Mechanical loss, Rms 2.6 kg/s
Rated power handling* 300 W
https://sbacoustics.com/product/15in-sb42fhcl75-6/