Haut-parleur Sica 4L1SL (Z001451C)
[4L1SL-4] Avis/Critiques Haut-parleur 4 pouce 4 ohm large bande made in Italy, système magnétique néodymium, saladier acier embouti.
GENERAL CHARACTERISTICS
Nominal Overall Diameter 102 mm
Nominal Voice Coil Diameter 25 mm
Magnet Weight 15 g
Flux Density 0.99 T
Weight 0.20 Kg
ELECTRICAL CHARACTERISTICS
Nominal Impedance. 4 Ω
Musical Power 100 W
Rated Power* 50 W
*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure
Sensitivity @ 1 W, 1 m 88.0 dB
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance RE 3.00 Ω
Resonance Frequency fs 105.0 Hz
Mechanical Q Factor QMS 3.41
Electrical Q Factor QES 0.54
Total Q Factor QTS 0.47
Mechanical Moving Mass MMS 4.30 g
Mechanical Compliance CMS 531 μm/N
Force Factor B×l 4.01 Wb/m
Equivalent Acoustic Volume VAS 1.5 lt.
Maximum Linear Displacement XMAX +/-2.0 mm
Reference Efficiency η0 0.30 %
Diaphragm Area SD 44.2 cm2
Losses Electrical Resistance RES 19.3 Ω
Voice Coil Inductance @ 1kHz LE 0.26 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet Neodymium
Voice Coil Winding Copper
Voice Coil Former Epotex
Cone Paper
Surround Rubber
Dust Dome Polypropylene Ogive
Basket Pressed Sheet Steel
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