FR 9.15 4 OHM Art. No. 2054 Oval full-range driver (9 x 15 cm). Well-balanced frequency response makes this speaker ideal for both voice and music reproduction e.g. extremely well suited to use in vehicles. Minimum depth required. Typical applications: - Vehicles of all types (road or rail), e.g. mobile homes, trams etc. Attributes : - Moisturised cone - Metal basket Used in / Accessories: GRILLE 4X6"
sketch frequency- and impedance response	Technical Data: Rated power 15 W Maximum power 30 W Nominal impedance Z 4 Ohm Frequency response 75–16000 Hz Mean sound pressure level 85 dB (1 W/1 m) Maximum cone displacement 3 mm Resonance frequency fs 120 Hz Magnetic induction 0,9 T Magnetic flux 170 µWb Height of front pole-plate 3 mm Voice coil diameter 20 mm Height of winding 5 mm Cutout diameter 146 x 87 mm (oval) Net weight 0,277 kg D.C. resistance Rdc 3,5 Ohm Mechanical Q factor Qms 8,90 Electrical Q factor Qes 2,29 Total Q factor Qts 1,82 Equivalent volume Vas 2,9 l Effective piston area Sd 79 cm² Dynamically moved mass Mms 4,6 g Force factor Bxl 2,3 T m Inductance of the voice coil L 0,3 mH Heat resistance −25 ... 70 °C Similar Products SC 4.7 ND 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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