SB Acoustics SB15MFC30-4 5'' Poly Cone Woofer

SB Acoustics

SB Acoustics SB15MFC30-4 5'' Poly Cone Woofer


Product Specifications
Nominal Impedance 4 ohms
DC resistence,Re 3.1 ohms
voice coil inductance,Le 0.12 mH
Free air resonance,Fs 35.5 Hz
Sensitivity(2.83V/1m) 90 dB
Mechanical Q-factor,Qms 5.26
Electrical Q-factor,Qes 0.30
Total Q-factor,Qts 0.28
Moving mass incl. air,Mms 9.9 g
Force factor,BI 4.8 Tm
Equivalent volume,Vas 19.4 liters
Compliance,Cms 2.03 mm/N
Mechanical loss,Rms 0.42 Kg/s
Rated power handling* 50W
Effective piston area,Sd 82 cm²
Voice coil diameter 30.5 mm
Voice coil height 15 mm
Air gap height 5 mm
Linear coil travel(p-p) 10 mm
Magnetic flux density 1.0 T
Magnetic weight 0.54 Kg
Net weight 1.48 Kg

Frequency and impedance Graph:

SB Acoustics SB15MFC30-4 5'' Poly Cone Woofer

Drawing:

SB Acoustics SB15MFC30-4 5'' Poly Cone Woofer