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SICA 4" Speaker

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SICA 4" Speaker

Additional Information

Manufacturer SICA
Shipping Group No

Rated Power = 60 watts, Sensitivity @ 1 W, 1 m = 90.4 dB


GENERAL CHARACTERISTICS


Nominal Overall Diameter ................. 104 mm
Nominal Voice Coil Diameter .............. 25 mm
Magnet Weight ............................... 380 g
Flux Density................................... 1.10 T
Weight......................................... 0.85 Kg


THIELE-SMALL PARAMETERS


Voice Coil DC Resistance ........... RE 3.23
Resonance Frequency ............... fs 128.0 Hz
Mechanical Q Factor................. QMS 1.97
Electrical Q Factor................... QES 0.50
Total Q Factor........................ QTS 0.40
Mechanical Moving Mass ............ MMS 3.0 g
Mechanical Compliance............. CMS 510 m/N
Force Factor .......................... B~l 3.96 Wb/m
Equivalent Acoustic Volume........ VAS 1.4 lt.
Maximum Linear Displacement .... XMAX +/-1.3 mm
Reference Efficiency ................ 0 0.56 %
Diaphragm Area ...................... SD 44.2 cm2
Losses Electrical Resistance........ RES 12.7
Voice Coil Inductance @ 1kHz ..... LE 0.08 mH


CONSTRUCTIVE CHARACTERISTICS


Magnet................................. Ferrite
Voice Coil Winding................... Copper
Voice Coil Former.................... Aluminium
Cone ................................... Paper
Surround............................... Treated
Cloth Dust Dome ............................ Polypropylene
Ogive Basket ................................. Pressed Sheet Steel


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