SB Acoustics SB21RDC-C000-4

€37.58 *

Prices incl. VAT plus shipping costs

Delivery time 1-3 Workdays

  • 1382422
SB Acoustics SB21RDC-C000-4 Tweeter Non-resonant diaphragm design for minimum high frequency... more
Product information "SB Acoustics SB21RDC-C000-4"

SB Acoustics SB21RDC-C000-4 Tweeter

  • 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

  • power handling (continuous/programme) = 30 W
  • frequency range = 1000-40000 Hz
  • resonance frequency fs = 760 Hz
  • impedance R = 4 Ohm
  • sound pressure level SPL = 90 dB (2,83V; 1m)
  • DC resistance Re = 3.1 Ohm
  • force factor BL = 1.5 N/A
  • voice coil inductance L = 0.04 mH
  • effective piston radiating area Sd = 4.6 cm2
  • effective mechanical mass incl. air load mms = 0,25 g
  • total Q factor Qts = 1.0 (Qms=2.54, Qes=1.64)
  • voice coil diameter = 20.4 mm
  • mounting diameter d = 60 mm
  • overall diameter d = 92 mm
  • mounting depth (not countersunk) t = 26.5 mm
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