SB Acoustics 6" SB16PFCR25-4/Paper
Vented reinforced plastic chassis
Proprietary cone material with natural fibers made in-house
Soft low damping rubber surround for improved transient response
Optimized motor system
Vented coil former for low compression
Non-resonant long life lead wires
Nominal Impedance 4 Ω
DC resistance, Re 3.2 Ω
Voice coil inductance, Le 0.56 mH
Effective piston area, Sd 124 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
Magnet weight 0.36 kg
Net weight 0.94 kg
Free air resonance, Fs 35 Hz
Sensitivity (2.83 V / 1 m) 89.5 dB
Mechanical Q-factor, Qms 2.76
Electrical Q-factor, Qes 0.39
Total Q-factor, Qts 0.34
Moving mass incl. air, Mms 13.8 g
Force factor, Bl 5.0 Tm
Equivalent volume, VAS 32.7 liters
Compliance, Cms 1.50 mm/N
Mechanical loss, Rms 1.1 kg/s
Rated power handling* 40 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.