Haut-parleur Sica 12SR3PL (4 ohm)
[12SR3PL-4] Avis/Critiques Haut-parleur de grave/médium 30 cm de grande qualité d'un impédance de 4 ohm avec système magnétique néodymium, une suspension demi-rouleau caoutchouc et un saladier moulé en aluminium.
GENERAL CHARACTERISTICS
Nominal Overall Diameter 320 mm
Nominal Voice Coil Diameter 75 mm
Magnet Weight 360 g
Flux Density 1.19 T
Weight 3.50 Kg
ELECTRICAL CHARACTERISTICS
Nominal Impedance. 4 Ω
Musical Power 700 W
Rated Power* 350 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 92.5 dB
THIELE-SMALL PARAMETERS (for 8 ohm impedance version)
Voice Coil DC Resistance RE 3.15 Ω
Resonance Frequency fs 27.4 Hz
Mechanical Q Factor QMS 7.48
Electrical Q Factor QES 0.28
Total Q Factor QTS 0.27
Mechanical Moving Mass MMS 101.6 g
Mechanical Compliance CMS 333 μm/N
Force Factor B×l 13.95 Wb/m
Equivalent Acoustic Volume VAS 103.1 lt.
Maximum Linear Displacement XMAX +/-7.0 mm
Reference Efficiency η0 0.72 %
Diaphragm Area SD 467 cm2
Losses Electrical Resistance RES 83.3 Ω
Voice Coil Inductance @ 1kHz LE 0.85 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet Neodymium
Voice Coil Winding Copper
Voice Coil Former Fiberglass
Cone Paper
Surround Rubber
Dust Dome Solid Paper
Basket Pressed Aluminium Die-Cast
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