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18"- 1400w Professional Woofer

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18"- 1400W Professional Woofer 18 F 4 CP - 8 Ω Code Z008391 Ω W W dB 462.0 Ω Hz 415.0 g µm/N Wb/m lt. mm % cm2 52.0 188.5 CONSTRUCTIVE CHARACTERISTICS Magnet................................. Ferrite Voice Coil Winding................... Copper Voice Coil Former.................... Fiberglass Cone ................................... Paper Surround............................... Treated Cloth Dust Dome ............................ Solid Paper Basket ................................. Aluminium Die-Cast n. 8 holes 6.5x9.0 on Ø 441.0 4.0 Ω mH 136.5 THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 6.38 Resonance Frequency ............... fs 30.6 Mechanical Q Factor................. QMS 12.44 Electrical Q Factor................... QES 0.25 Total Q Factor........................ QTS 0.25 Mechanical Moving Mass ............ MMS 169.8 Mechanical Compliance ............. CMS 160 Force Factor .......................... B×l 28.66 Equivalent Acoustic Volume........ VAS 272.2 Maximum Linear Displacement .... XMAX +/-6.0 2.94 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 1098. 5 Losses Electrical Resistance........ RES 312.9 Voice Coil Inductance @ 1kHz ..... LE 1.78 ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 1400 Rated Power* .................................. 700 Sensitivity @ 1 W, 1 m ....................... 97.9 mm mm g T Kg 11.0 GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 462 Nominal Voice Coil Diameter .............. 100 Magnet Weight ............................... 3300 Flux Density................................... 1.31 Weight ......................................... 12.80 O 215.5 *rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure Thiele-Small parameters measured with LASER system Frequency Response on 150 Litres Vented Box @ 1 W, 1 m – Free Air Impedance +110 500 +105 200 +100 +95 d 100 +90 50 B S +85 Ω P L +80 20 +75 10 +70 5 +65 3 +60 20 50 100 200 500 Hz 1k 2k 5k 10k Due to continuing product improvement, the features and the design are subject to change without notice. 20k 20/02/07 SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: [email protected] - Tel. +39-071-7958072 - Fax +39-071-7959006