SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4
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  • SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4
  • SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4
  • SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4
  • SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4

SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4

SB21SDC-C000-4
25.35 € Tax excluded
31.43 € tax incl. for EU buyers

SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4

Quantity
In Stock

SB Acoustics 21mm dome chmbr Tweeter, SB21SDC-C000-4

Special Features

  • Large surround dome for increased acoustic output.
  • Dual balanced compression chamber for improved dynamics.
  • Copper cap for reduced voice coil inductance and minimum phase shift.
  • Saturation controlled motor system for low distortion.
  • Non-reflective rear chamber with optimized damping for improved dynamics.
  • Flow optimized vented pole piece for optimum coupling to rear chamber.
  • CCAW voice coil for low moving mass.
  • Long life silver lead wires.
  • Low resonance frequency.

Specifications:

Nominal Impedance 4 Ω Free air resonance, Fs 720 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83 V / 1 m) 91 dB
Voice coil inductance, Le 0.04 mH Mechanical Q-factor, Qms 2.41
Effective piston area, Sd 4.9 cm2 Electrical Q-factor, Qes 1.55
Voice coil diameter 20.4 mm Total Q-factor, Qts 0.95
Voice coil height 1.5 mm Force factor, Bl 1.5 Tm
Air gap height 2.5 mm Rated power handling* 40 W
Linear coil travel (p-p) 1.0 mm Magnetic flux density 1.02 T
Moving mass incl. air, Mms 0.25 g Magnet weight 0.13 kg
Net weight 0.33 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct
SB21SDC-C000-4
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