SB Acoustics SB12CACS25-8 4'' ceramic woofer

SB Acoustics

SB Acoustics SB12CACS25-8 4" ceramic woofer


Product Specifications
Nominal Impedance 8 ohms
DC resistence,Re 6.4 ohms
voice coil inductance,Le 0.34 mH
Free air resonance,Fs 51 Hz
Sensitivity(2.83V/1m) 85.5 dB
Mechanical Q-factor,Qms 4.85
Electrical Q-factor,Qes 0.4
Total Q-factor,Qts 0.37
Moving mass incl. air,Mms 5.3 g
Force factor,BI 5.2 Tm
Equivalent volume,Vas 6.5 liters
Compliance,Cms 1.84 mm/N
Mechanical loss,Rms 0.35 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 SB12CACS25-8 4'' ceramic woofer

Drawing:

SB Acoustics SB12CACS25-8 4'' ceramic woofer