Altifalante Sica 18 1400W 8R Fs 31,3HZ - Manual Sonigate
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Transcript of Altifalante Sica 18 1400W 8R Fs 31,3HZ - Manual Sonigate
18"- 1400W Professional Woofer LP 470.100/ 3300 WT 8 Ω
Code Z008390
GENERAL CHARACTERISTICS ELECTRICAL CHARACTERISTICS Nominal Overall Diameter ................. 470 mm Nominal Impedance........................... 8 Ω Nominal Voice Coil Diameter .............. 100 mm Musical Power ................................. 1400 W Magnet Weight ............................... 3300 g Rated Power* .................................. 700 W Flux Density................................... 1.20 T Sensitivity @ 1 W, 1 m ....................... 97.9 dB Weight ......................................... 13.00 Kg
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ........... RE 5.94 Ω Resonance Frequency ............... fs 31.3 Hz Mechanical Q Factor................. QMS 21.72 Electrical Q Factor................... QES 0.30 Total Q Factor........................ QTS 0.30 Mechanical Moving Mass ............ MMS 150.2 g Mechanical Compliance............. CMS 172 µm/N Force Factor .......................... B×l 24.08 Wb/m Equivalent Acoustic Volume........ VAS 295.1 lt. Maximum Linear Displacement .... XMAX +/-6.0 mm Reference Efficiency ................ η0 2.87 % Diaphragm Area ...................... SD 1104 cm2 Losses Electrical Resistance........ RES 426.4 Ω Voice Coil Inductance @ 1kHz ..... LE 2.00 mH
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
Frequency Response on 150 litres vented box @ 1 W, 1 m - Impedance
Due to continuing product improvement, the features and the design are subject to change without notice. 07/03/05
SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: [email protected] - Tel. +39-071-7958072 - Fax +39-071-7959006
470
1.510
128.
5
10
Ø 215.5
45
428
N°8 holes Ø 6.5on Ø443.5
3
5 0 0
5
1 0
2 0
5 0
1 0 0
2 0 0
Ω
+ 6 0
+ 1 1 0
+ 6 5
+ 7 0
+ 7 5
+ 8 0
+ 8 5
+ 9 0
+ 9 5
+ 1 0 0
+ 1 0 5
d
B
S P
L
2 0 2 0 k 5 0 1 0 0 2 0 0 5 0 0 1 k 2 k 5 k 1 0 k H z
*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure