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SB Acoustics 21mm ring dome chmbr Tweeter, SB21RDC-C000-4

SB21RDC-C000-4

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SB Acoustics 21mm ring dome chmbr Tweeter, SB21RDC-C000-4

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37,52 €

30,75 € tax excl.***

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SB Acoustics 21mm ring dome chmbr Tweeter, SB21RDC-C000-4

Special Features

  • Non-resonant diaphragm design for minimum high frequency break-up
  • 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, Fs760 Hz
DC resistance, Re3.1 ΩSensitivity (2.83 V / 1 m)90 dB
Voice coil inductance, Le0.04 mHMechanical Q-factor, Qms2.54
Effective piston area, Sd4.6 cm2Electrical Q-factor, Qes1.64
Voice coil diameter20.4 mmTotal Q-factor, Qts1
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 ring dome chmbr Tweeter, SB21RDC-C000-4

SB Acoustics 21mm ring dome chmbr Tweeter, SB21RDC-C000-4

SB Acoustics 21mm ring dome chmbr Tweeter, SB21RDC-C000-4