Sica 18"- 700W Professional Woofer 18 F 3 CP 8 Ω (Z008362)
ELECTRICAL CHARACTERISTICS
Nominal Impedance........................... 8 Ω
Musical Power ................................. 700 W
Rated Power* .................................. 350 W
Sensitivity @ 1 W, 1 m ....................... 96.7 dB
GENERAL CHARACTERISTICS
Nominal Overall Diameter ................. 462 mm
Nominal Voice Coil Diameter .............. 75 mm
Magnet Weight ............................... 1800 g
Flux Density................................... 1.12 T
Weight ......................................... 8.60 Kg
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ........... RE 5.12 Ω
Resonance Frequency ............... fs 32.1 Hz
Mechanical Q Factor................. QMS 4.13
Electrical Q Factor................... QES 0.53
Total Q Factor........................ QTS 0.47
Mechanical Moving Mass ............ MMS 148.2 g
Mechanical Compliance............. CMS 166 μm/N
Force Factor .......................... B×l 16.92 Wb/m
Equivalent Acoustic Volume........ VAS 318.9 lt.
Maximum Linear Displacement .... XMAX +/-5.0 mm
Reference Efficiency ................ η0 1.85 %
Diaphragm Area ...................... SD 1164.2 cm2
Losses Electrical Resistance........ RES 39.6 Ω
Voice Coil Inductance @ 1kHz ..... LE 1.15 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet................................. Ferrite
Voice Coil Winding................... Copper
Voice Coil Former.................... Aluminium
Cone ................................... Paper
Surround............................... Treated Cloth
Dust Dome ............................ Solid Paper
Basket ................................. Aluminium Die-Cast