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18"- 1400W

Professional Woofer

LP 470.100/ 3300 WT 8 Ω Code Z008390 Ω W W dB

428

Ω Hz

g µm/N Wb/m lt. mm % cm2 Ω mH

10

45

128.5

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 Ø 6.5 on Ø443.5

1.5

10

THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 5.94 Resonance Frequency ............... fs 31.3 Mechanical Q Factor................. QMS 21.72 Electrical Q Factor................... QES 0.30 Total Q Factor........................ QTS 0.30 Mechanical Moving Mass ............ MMS 150.2 Mechanical Compliance ............. CMS 172 Force Factor .......................... B×l 24.08 Equivalent Acoustic Volume........ VAS 295.1 Maximum Linear Displacement .... XMAX +/-6.0 2.87 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 1104 Losses Electrical Resistance........ RES 426.4 Voice Coil Inductance @ 1kHz ..... LE 2.00

ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 1400 Rated Power* .................................. 700 Sensitivity @ 1 W, 1 m ....................... 97.9

mm mm g T Kg

470

GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 470 Nominal Voice Coil Diameter .............. 100 Magnet Weight ............................... 3300 Flux Density................................... 1.20 Weight ......................................... 13.00

Ø 215.5

*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure

Frequency Response on 150 litres vented box @ 1 W, 1 m - Impedance +110

500

+105 200

+100

+95

d

100

+90 50

B S

+85

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: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006

20k

07/03/05


Altifalante Sica 18 1400W 8R Fs 31,3HZ - Manual Sonigate