SB19ST-C000-4 - SB acoustics
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.
https://sbacoustics.com/wp-content/uploads/2020/05/SB19ST-C000-4.pdf
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