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SC 5.9 ND - 4 Ohm

Art. No. 8055

Magnetically shielded 5 x 9 cm (2" x 3.5") fullrange driver with good efficiency and balanced frequency response with a clear highrange reproduction. Extremely small size due to a neodymium magnet system. Applicable as built-in speaker in TV's and PC's with very small mounting space.

Typical applications

  • Video monitoring screens
  • TVs
  • Monitoring speaker for electronic devices


  • Moisture-resistant membrane
  • metal design
  • Magnetically shielded
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Amplitude & Impedance Frequency
Directivity pattern
Rated power 3 W
Maximum power 4 W
Nominal impedance Z 4 Ohm
Frequency response 150–17000 Hz
Mean sound pressure level 82 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz hor.131°/4000 Hz ver.
Excursion limit +/−1 mm
Resonance frequency fs 280 Hz
Magnetic induction 0.75 T
Magnetic flux 100 µWb
Height of front pole-plate 3 mm
Voice coil diameter 14 mm
Height of winding 4 mm
Cutout diameter 43 x 82 mm (oval)
Net weight 0.06 kg
D.C. resistance Rdc 3.8 Ohm
Mechanical Q factor Qms 9.23
Electrical Q factor Qes 8.03
Total Q factor Qts 4.3
Equivalent volume Vas 0.3 l
Effective piston area Sd 26.5 cm²
Dynamically moved mass Mms 1.3 g
Force factor Bxl 1.0 Tm
Inductance of the voice coil L 0.2 mH
Connections 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Temperature range –25 ... 70 °C

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