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

SB21SDC-C000-4

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

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30,93 €

25,35 € tax excl.***

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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 Impedance4 ΩFree air resonance, Fs720 Hz
DC resistance, Re3.1 ΩSensitivity (2.83 V / 1 m)91 dB
Voice coil inductance, Le0.04 mHMechanical Q-factor, Qms2.41
Effective piston area, Sd4.9 cm2Electrical Q-factor, Qes1.55
Voice coil diameter20.4 mmTotal Q-factor, Qts0.95
Voice coil height1.5 mmForce factor, Bl1.5 Tm
Air gap height2.5 mmRated power handling*40 W
Linear coil travel (p-p)1.0 mmMagnetic flux density1.02 T
Moving mass incl. air, Mms0.25 gMagnet weight0.13 kg
Net weight0.33 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct

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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