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12"- 700W

Professional Woofer

LP 320.75/ 1800 WT 8 Ω Code Z007988 GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 320 mm Nominal Voice Coil Diameter .............. 75 mm Magnet Weight ............................... 1800 g Flux Density................................... 1.18 T Weight ......................................... 7.50 Kg

Ω W W dB

n° 8 holes 6x9 on Ø301.0

Ω Hz

320.0

44.0

127.0

8.5

4.0

CONSTRUCTIVE CHARACTERISTICS Magnet................................. Ferrite Voice Coil Winding................... Copper Voice Coil Former.................... Kapton Cone ................................... Paper Surround............................... Treated Cloth Dust Dome ............................ Solid Paper Basket ................................. Aluminium Die-Cast

83.0

282.0

g µm/N Wb/m lt. mm % cm2 Ω mH

10.0

THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 5.07 Resonance Frequency ............... fs 54.8 Mechanical Q Factor................. QMS 9.11 Electrical Q Factor................... QES 0.25 Total Q Factor........................ QTS 0.24 Mechanical Moving Mass ............ MMS 54.3 Mechanical Compliance ............. CMS 160 Force Factor .......................... B×l 19.51 Equivalent Acoustic Volume........ VAS 53.1 Maximum Linear Displacement .... XMAX +/-2.5 3.36 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 490.8 Losses Electrical Resistance........ RES 185.5 Voice Coil Inductance @ 1kHz ..... LE 1.02

ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 700 Rated Power* .................................. 350 Sensitivity @ 1 W, 1 m ....................... 99.4

180.0

*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 IEC Baffle (DIN 45575) @ 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

23/03/07


Altifalante Sica 12 700W 8R Fs 54,8 Hz - Manual Sonigate