SATORI TW29BNWG-4 / Beryllium

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Features

  • Beryllium dome for non-resonant high frequency extension
  • Dual balanced compression chambers for improved dynamics
  • Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
  • High saturation neodymium motor system with  T-shaped pole piece for lower distortion
  • Non-reflective cast aluminium chamber with  optimized damping for improved dynamics
  • Shallow flow optimized magnet structure for optimum coupling to rear chamber
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency for extended range
  • Solid aluminium waveguide
  • Controlled directivity
  • Adapter ring for bolt-less mounting to driver

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.0 Ω
  • Voice coil inductance, Le 0.02 mH
  • Effective piston area, Sd 9.6 cm2
  • Voice coil diameter 29.0 mm
  • Voice coil height 2.0 mm
  • Air gap height 2.5 mm
  • Linear coil travel (p-p) 0.5 mm
  • Moving mass incl. air, Mms 0.46 g
  • Free air resonance, Fs 700 Hz
  • Sensitivity (2.83V/1m) 97 dB
  • Mechanical Q-factor, Qms 2.1
  • Electrical Q-factor, Qes 0.60
  • Total Q-factor, Qts 0.46
  • Force factor, Bl 3.1 Tm
  • Rated power handling* 80 W
  • Magnetic flux density 1.5 T
  • Magnet weight 0.1 kg
  • Net weight 0.6 kg

* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.