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5"- 120W

Dual Cone

LP 129.25/ 280 ER2 8 Ω Code Z002400 GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 129 mm Nominal Voice Coil Diameter .............. 25 mm Magnet Weight ............................... 280 g Flux Density................................... 0.95 T Weight ......................................... 0.85 Kg

Ω W W dB

n° 4 holes 4.7 × 10.0 on Ø 139.0 130.5

Ω Hz

112.0

g µm/N Wb/m lt. mm % cm2 Ω mH

6.0

28.5 22.8

51.3

CONSTRUCTIVE CHARACTERISTICS Magnet................................. Ferrite Voice Coil Winding................... Copper Voice Coil Former.................... Epotex Cone ................................... Paper Surround............................... Foam Dust Dome ............................ Dual-Cone Basket ................................. Pressed Sheet Steel

3.8

3.2

THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 6.34 Resonance Frequency ............... fs 80.3 Mechanical Q Factor................. QMS 9.40 Electrical Q Factor................... QES 0.56 Total Q Factor........................ QTS 0.53 Mechanical Moving Mass ............ MMS 6.9 Mechanical Compliance ............. CMS 572 Force Factor .......................... B×l 6.28 Equivalent Acoustic Volume........ VAS 5.0 Maximum Linear Displacement .... XMAX +/-1.5 0.44 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 78.5 Losses Electrical Resistance........ RES 107.0 Voice Coil Inductance @ 1kHz ..... LE 0.33

ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 120 Rated Power* .................................. 60 Sensitivity @ 1 W, 1 m ....................... 89.5

Ø 86.0

*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

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

15/03/05


Altifalante Sica 5 120W 8R Fs 80,3 Hz - Manual Sonigate