คำอธิบาย

Specs
Nominal Impedance 4 Ω
DC resistance, Re 3.5 Ω
Voice coil inductance, Le 5.3 mH
Effective piston area, Sd 458 cm2
Voice coil diameter 76 mm
Voice coil height 38 mm
Air gap height 8 mm
Linear coil travel (p-p) 30 mm
Magnetic flux density 0.62 T
Magnet weight 2.4 kg
Net weight 7.68 kg
Free air resonance, Fs 19 Hz
Sensitivity (2.83V/1m) 85 dB
Mechanical Q-factor, Qms 8.6
Electrical Q-factor, Qes 0.34
Total Q-factor, Qts 0.33
Moving mass incl. air,Mms 266 g
Force factor, Bl 18.0 Tm
Equivalent volume, Vas 78.5 liters
Compliance, Cms 0.26 mm/N
Mechanical loss, Rms 3.7 kg/s
Rated power handling* 300 W
https://sbacoustics.com/product/12in-sb34swpl76-4/