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270 V3 10" Polyglass woofer · Zamak chassis · Polyglass cone, Butyl surround · High power handling Specifications Nominal power Maximum power Sensitivity Cone Surround Nom. impedance DC resistance VC diameter VC height Former Layers Wire Inductance Xmax Magnet d x h Magnet weight Flux density Gap height Net weight 300 W 150 W 94 dB Polyglass Butyl 4 ohms 3.10 ohms 40 mm 17 mm Kapton 2 Copper 1 mH 5.5 mm 120 x 25 mm 2.2 kg 1.2 T 6 mm 3 400 g 7.5 lb 4.85 lb Suggested Application Free-air 5 0 Parameters Fs Vas Qts Qes Qms Re Sd Cas Mas Ras 20 50 100 150 200 51.10 Hz 33,25 I 0.663 0.730 7.280 3.1 ohms 346.36 cm2 2.37E-07 m5/N 40.97 kg/m4 1806.91 ohms.ac 1.97E-04 m/N 49.15 g 2.168 Kg/s 733.43 mF 13.23 mH 30.92 ohms 8.19 N/A 89.68 dB/W/m 0.1 lb 53.68 in2 1.174 Ft3 SPL (dB) 1W/1M -5 -10 -15 Cms Mms Rms Ces Les Frequency (Hz) Mechanical Drawing ш 270 ,50 6ш 5 Res BI SPL ©Focal-JMlab - SC021002/1 122 39 10 257 ,50 ш 121 ш 190 Suggested application Load V (I) Fb (Hz) F-3 (Hz) Ql ш 232 Vented Sealed - - - - Focal ® is a trademark of Focal-JMlab ® ZI Molina la Chazotte - 108, rue de l'Avenir - BP 74 - 42003 Saint-Etienne cedex 1 - France - Tel. +33 4 77 43 57 00 - Fax +33 4 77 43 57 04 - www.focal-jmlab.fr