Cu o experienta de peste 33 ani in fabricarea difuzoarelor , SICA se remarca printr-o calitate deosebita la un pret corect. Difuzor Sica 5 D 1 CS, 120W / 60W RMS, difuzor de 5", care are un SPL REAL de 89.8 dB, ce lucreaza in conditii optime. Difuzor pe 8 ohm, greutate 0.85 kg.  

Specificatii pentru Difuzor Sica 5 D 1 CS:
Nominal Overall Diameter ................. 129 mm 
Nominal Voice Coil Diameter .............. 25 mm 
Magnet Weight ............................... 280 g 
Flux Density................................... 0.95 T 
Weight .........................................0.85 Kg
ELECTRICAL CHARACTERISTICS
Musical Power ..............................120 W
Rated Power* .................................. 60 W
Sensitivity @ 1 W, 1 m ....................... 89.8 dB
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ........... RE 6.02 Ω
Resonance Frequency ............... fs 80.8 Hz
Mechanical Q Factor................. QMS 7.58
Electrical Q Factor................... QES 0.62
Total Q Factor........................ QTS 0.57
Mechanical Moving Mass ............ MMS 6.3 g
Mechanical Compliance............. CMS 611 μm/N
Force Factor .......................... B×l 5.60 Wb/m
Equivalent Acoustic Volume........ VAS 5.3 lt.
Maximum Linear Displacement .... XMAX +/-1.5 mm
Reference Efficiency ................ η0 0.44 %
Diaphragm Area ...................... SD 78.5 cm2
Losses Electrical Resistance........ RES 73.7 Ω
Voice Coil Inductance @ 1kHz ..... LE 0.33 mH