SC 4.7 ND 4 OHM Art. No. 8047 Magnetically shielded oval 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 - Control speaker for electronic devices Attributes: - Moisturised cone - Metal basket - Magnetically shielded
sketch frequency- and impedance response	Technical Data: Rated power 2 W Maximum power 4 W Nominal impedance Z 4 Ohm Frequency response 220–20000 Hz Mean sound pressure level 81 dB (1 W/1 m) Maximum cone displacement 1 mm Resonance frequency fs 420 Hz Magnetic induction 0,7 T Magnetic flux 60 µWb Height of front pole-plate 2 mm Voice coil diameter 14 mm Height of winding 2 mm Cutout diameter 35 x 65 mm (oval) Net weight 0,041 kg D.C. resistance Rdc 3,8 Ohm Mechanical Q factor Qms 4,43 Electrical Q factor Qes 6,55 Total Q factor Qts 2,64 Equivalent volume Vas 0,9 Effective piston area Sd 45 cm² Dynamically moved mass Mms 0,7 g Force factor Bxl 1,2 T m Inductance of the voice coil L 0,2 mH Heat resistance −25 ... 70 °C Similar Products FR 9.15 4 OHM SC 4.7 ND 8 OHM SC 5.9 8 OHM SC 5.9 ND 4 OHM SC 5.9 ND 8 OHM SL 713 4 OHM
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