SB-Acoustics SB16 PFCR25-4

FEATURES

• 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

SPECS

• 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.

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