SATORI TW29B-B / Beryllium

Features

  • Beryllium dome for non-resonant high frequency extension
  • Two part aluminium faceplate with integrated mechanical decoupling
  • Dual balanced compression chambers for improved dynamics
  • Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
  • Non-reflective cast aluminium chamber with optimized damping for improved dynamics
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency for extended range

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 600 Hz
  • Sensitivity (2.83 V / 1 m) 92 dB
  • Mechanical Q-factor, Qms 2.9
  • Electrical Q-factor, Qes 1.3
  • Total Q-factor, Qts 0.9
  • Force factor, Bl 2.0 Tm
  • Rated power handling* 80 W
  • Magnetic flux density 1.0 T
  • Magnet weight 0.22 kg
  • Net weight 0.53 kg

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