SB Acoustics SB21SDCN-C000-4 21mm Textile Dome Tweeters
Features
- Large surround dome for increased acoustic output
- Copper cap for reduced voice coil inductance and minimum phase shift
- Compact low distortion neodymium motor system
- Non-resonant rear chamber with optimized damping for improved dynamics
- CCAW voice coil for low moving mass
- Long life silver lead wires
- Low resonance frequency
Specifications
- Nominal Impedance 4 ?
- DC resistance, Re 3.1 ?
- Voice coil inductance, Le 0.04 mH
- Effective piston area, Sd 4.9 cm2
- Voice coil diameter 20.4 mm
- Voice coil height 1.5 mm
- Air gap height 2.0 mm
- Linear coil travel (p-p) 0.5 mm
- Moving mass incl. air, Mms 0.25 g
- Free air resonance, Fs 850 Hz
- Sensitivity (2.83V/1m) 90 dB
- Mechanical Q-factor, Qms 2.44
- Electrical Q-factor, Qes 2.45
- Total Q-factor, Qts 1.22
- Force factor, Bl 1.3 Tm
- Rated power handling* 40 W
- Magnetic flux density 0.9 T
- Magnet weight 0.01 kg
- Net weight 0.06 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.
Frequently Asked Questions
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