FR 10 4 OHM Art. No. 2020 10 cm (4") fullrange speaker with good bass reproduction, balanced frequency response and high efficiency. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. Typical applications: - Network column speakers - Ceiling-mounted speakers in railway carriages an busses - Built-in car hi-fi speakers - Electronic musical instruments 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 80–20000 Hz Mean sound pressure level 86 dB (1 W/1 m) Maximum cone displacement 8 mm Resonance frequency fs 92 Hz Magnetic induction 0,95 T Magnetic flux 180 µWb Height of front pole-plate 3 mm Voice coil diameter 20 mm Height of winding 6 mm Cutout diameter 100 mm Net weight 0,38 kg D.C. resistance Rdc 3,2 Ohm Mechanical Q factor Qms 2,29 Electrical Q factor Qes 0,7 Total Q factor Qts 0,54 Equivalent volume Vas 2,3 l Effective piston area Sd 50 cm² Dynamically moved mass Mms 5,7 g Force factor Bxl 4,6 T m Inductance of the voice coil L 0,2 mH Heat resistance −25 ... 70 °C Similar Products 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 4 OHM R 10 SC 8 OHM
radiation pattern 2000 Hz radiation pattern 5000 Hz radiation pattern 10000 Hz