SB-Acoustics SB19ST-C000-4

FEATURES

• Optimized damping in pole cavity to eliminate internal reflection
• Fine weave soft fabric dome for smooth frequency response
• Saturation controlled motor system for reduced distortion
• CCAW voice coil for low moving mass
• Long life silver lead wires

SPECS:

• Nominal Impedance 4 Ω
• DC resistance, Re 3.4 Ω
• Voice coil inductance, Le 0.07 mH
• Effective piston area, Sd 3.8 cm2
• Voice coil diameter 19.1 mm
• Voice coil height 1.8 mm
• Air gap height 3 mm
• Linear coil travel (p-p) 1.2 mm
• Moving mass incl. air, Mms 0.22 g
• Free air resonance, Fs 980 Hz
• Sensitivity (2.83 V / 1 m) 88.5 dB
• Mechanical Q-factor, Qms 6.45
• Electrical Q-factor, Qes 1.50
• Total Q-factor, Qts 1.22
• Force factor, Bl 1.75 Tm
• Rated power handling* 30 W
• Magnetic flux density 1.24 T
• Magnet weight 0.13 kg
• Net weight 0.32 kg

* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.

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