FR 13 4 OHM Art. No. 4800 13 cm (5") full-range loudspeaker with an inverted cone. Uniform frequency response and powerful low-frequency output. Simple installation e.g. in vehicles with loudspeaker mounts for 13 cm loudspeakers. Typical applications: - Built into cars, busses or trains - Electronic musical instruments - Monitoring speaker for electronic devices Used in / Accessories: ARF 13 GRILLE 13 R/162 GRILLE 13 RS
sketch frequency- and impedance response	Technical Data: Rated power 30 W Maximum power 50 W Nominal impedance Z 4 Ohm Frequency response 65–20000 Hz Mean sound pressure level 88 dB (1 W/1 m) Opening angle (-6 dB) 65°/4000 Hz Excursion limit +/−2,5 mm Resonance frequency fs 100 Hz Magnetic induction 0,85 T Magnetic flux 160 µWb Height of front pole-plate 3 mm Voice coil diameter 20 mm Height of winding 6 mm Cutout diameter 116 mm Net weight 0,29 kg D.C. resistance Rdc 3,4 Ohm Mechanical Q factor Qms 5,17 Electrical Q factor Qes 1,64 Total Q factor Qts 1,25 Equivalent volume Vas 6,1 l Effective piston area Sd 87 cm² Dynamically moved mass Mms 4,5 g Force factor Bxl 2,3 Tm Inductance of the voice coil L 0,2 mH Temperature range −25 ... 100 °C Similar Products FR 12 4 OHM FR 12 8 OHM FR 13 WP 4 OHM (black) FR 13 WP 4 OHM (white)
directivity pattern