SB Acoustics SB13PFCR25-4 5'' Paper Cone Woofer

SB Acoustics

SB Acoustics SB13PFCR25-4 5'' Paper Cone Woofer


Product Specifications
Nominal Impedance 4 ohms
DC resistence,Re 3.2 ohms
voice coil inductance,Le 0.56 mH
Free air resonance,Fs 44 Hz
Sensitivity(2.83V/1m) 89 dB
Mechanical Q-factor,Qms 2.6
Electrical Q-factor,Qes 0.33
Total Q-factor,Qts 0.29
Moving mass incl. air,Mms 10.5 g
Force factor,BI 5.3 Tm
Equivalent volume,Vas 13.4 liters
Compliance,Cms 1.25 mm/N
Mechanical loss,Rms 1.1 Kg/s
Rated power handling* 40W
Effective piston area,Sd 87 cm²
Voice coil diameter 25.4 mm
Voice coil height 14 mm
Air gap height 5 mm
Linear coil travel(p-p) 9 mm
Magnetic flux density 1.06 T
Magnetic weight 0.36 Kg
Net weight 0.89 Kg

Frequency and Impedance Graph:

SB Acoustics SB13PFCR25-4 5'' Paper Cone Woofer

Drawing:

SB Acoustics SB13PFCR25-4 5'' Paper Cone Woofer