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10"- 50w Vintage Ceramic Loudspeaker

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10"- 50W Vintage Ceramic Loudspeaker C 10 R - 8 Ω Code ZJ05070 GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 259 mm Nominal Voice Coil Diameter .............. 25 mm Magnet Weight ............................... 270 g Flux Density................................... 1.00 T Weight ......................................... 1.20 Kg Ω W W dB n° 8 holes 8.4 × 6.5 on Ø 245.0 259.0 Ω Hz 5.0 87.3 CONSTRUCTIVE CHARACTERISTICS Magnet................................. Ferrite Voice Coil Winding................... Copper Voice Coil Former.................... Kapton Cone ................................... Paper Surround............................... Paper - Integrated Dust Dome ............................ Solid Paper Basket ................................. Pressed Sheet Steel 21.8 Ø 86.0 65.5 4.5 231.0 g µm/N Wb/m lt. mm % cm2 Ω mH 2.5 THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 6.60 Resonance Frequency ............... fs 96.0 Mechanical Q Factor................. QMS 10.56 Electrical Q Factor................... QES 1.66 Total Q Factor........................ QTS 1.44 Mechanical Moving Mass ............ MMS 14.1 Mechanical Compliance ............. CMS 194 Force Factor .......................... B×l 5.82 Equivalent Acoustic Volume........ VAS 29.7 Maximum Linear Displacement .... XMAX +/-0.8 1.50 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 330.0 Losses Electrical Resistance........ RES 42.0 Voice Coil Inductance @ 1kHz ..... LE 0.53 ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 50 Rated Power* .................................. 25 Sensitivity @ 1 W, 1 m ....................... 94.7 *rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m - 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. SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: [email protected] - Tel. +39-071-7958072 - Fax +39-071-7959006 20k 02/11/05