SB Acoustics SB12CACS25-4 4'' ceramic woofer

SB Acoustics

SB Acoustics 12CACS25-4 4'' Ceramic Woofer


Product Specifications
Nominal Impedance 4 ohms
DC resistence,Re 3.1 ohms
voice coil inductance,Le 0.26 mH
Free air resonance,Fs 51 Hz
Sensitivity(2.83V/1m) 88 dB
Mechanical Q-factor,Qms 4.89
Electrical Q-factor,Qes 0.33
Total Q-factor,Qts 0.31
Moving mass incl. air,Mms 6.1 g
Force factor,BI 4.3 Tm
Equivalent volume,Vas 5.7 liters
Compliance,Cms 1.60 mm/N
Mechanical loss,Rms 0.4 Kg/s
Rated power handling* 30W
Effective piston area,Sd 50 cm²
Voice coil diameter 25.4 mm
Voice coil height 15 mm
Air gap height 5 mm
Linear coil travel(p-p) 10 mm
Magnetic flux density 1.07 T
Magnetic weight 0.40 Kg
Net weight 0.92 Kg

Frequency and Impedance Graph:

SB Acoustics SB12CACS25-4 4'' ceramic woofer

Drawing:

SB Acoustics SB12CACS25-4 4'' ceramic woofer