R 10 SC 4 OHM Art. No. 2040 Magnetically shielded 10 cm (4") fullrange speaker with high efficiency, balanced frequency response. Water-repellent cone and rubber gasket. Especially suitable as control speaker in electronic devices and as speaker for public applications and public transport systems. Typical applications: - Video monitoring screens - Control speakers for electronic devices - Ceiling-mounted speakers in railway carriages and busses Attributes: - functionally at cold according to EN 60068-2-1/EN 50155 - cold storage (-40 °C) according to EN 60068-2-1/EN 50155 - functionally at damp heat (cyclic) according to EN 60068-2-3/EN 50155 - functionally at dry heat according to EN 60068-2-2/EN 50155 Used in / Accessories: GRILLE 10 ES GRILLE 10 R/134 GRILLE 10 RS
sketch frequency- and impedance response	Technical Data: Rated power 20 W Maximum power 30 W Nominal impedance Z 4 Ohm Frequency response 100–13000 Hz Mean sound pressure level 90 dB (1 W/1 m) Resonance frequency fs 163 Hz Magnetic induction 0,95 T Magnetic flux 135 µWb Height of front pole-plate 3 mm Voice coil diameter 15 mm Height of winding 4 mm Cutout diameter 93 mm Net weight 0,24 kg D.C. resistance Rdc 3,8 Ohm Mechanical Q factor Qms 1,23 Electrical Q factor Qes 2,74 Total Q factor Qts 0,85 Equivalent volume Vas 2,2 l Effective piston area Sd 56 cm² Dynamically moved mass Mms 1,9 g Force factor Bxl 1,6 T m Inductance of the voice coil L 0,2 mH Protective system IP 54 Heat resistance −40 ... 70 °C Similar Products FR 10 4 OHM FR 10 8 OHM FR 10 F 4 OHM FR 10 HM 4 OHM FR 10 HM 8 OHM FR 10 WP 4 OHM (black) FR 10 WP 4 OHM (white) FRS 10 WP 4 OHM (black) FRS 10 WP 4 OHM (white) FRS 10 WP 8 OHM (black) FRS 10 WP 8 OHM (white) R 10 S 4 OHM R 10 S 8 OHM R 10 SC 8 OHM
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