Satori TW29B / Beryllium


  • 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
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Additional information

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


(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.