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

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

SB21RDC-C000-4
€30.75 Tax excluded
37.52 € tax incl. for EU buyers

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

Quantity
In Stock

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 Impedance 4 Ω Free air resonance, Fs 760 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83 V / 1 m) 90 dB
Voice coil inductance, Le 0.04 mH Mechanical Q-factor, Qms 2.54
Effective piston area, Sd 4.6 cm2 Electrical Q-factor, Qes 1.64
Voice coil diameter 20.4 mm Total Q-factor, Qts 1
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
SB Acoustics
SB21RDC-C000-4
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