ALTOPARLANTE WOOFER 4” Pollici 10 Cm 30 Watt 8 Ohm 4FE32A Faital Pro 4 FE 32 A

Nominal Specifications Nominal Diameter 4”, 100 mm Overall Diameter 3.9”, 100.5 mm Bolt Circle Diameter 4.54”, 115.26 mm Baffle Cutout Diameter 3.6”, 91.5 mm Depth 1.96”, 49.8 mm Flange and Gasket Thickness 0.28”, 7.2 mm Electrical Specifications Minimum Impedance 7.2 Ohm Nominal Impedance 8 Ohm Nominal Power Handling*** 30 W Maximum Power Handling**** 60 W Sensitivity (1W/1m) 91 dB Frequency Range 90 - 20,000 Hz Voice Coil Diameter 0.75”, 19 mm Winding Material Aluminium Former Material Kapton Winding Depth 0.26”, 6.8 mm Magnetic Gap Depth 0.16”, 4 mm Flux Density 1.5 T THIELE & SMALL Parameters Resonant Frequency (fs) 100 Hz DC Resistance (Re) 6.5 Ohm BL Product (BL) 4.8 N/A Diaphragm Mass inc. Airload (Mms) 4.2 grams Mechanical Compliance of Suspension (Cms) 0.6 mm/N Rms 0.45 Kg/s Electromagnetic Q (Qes) 0.6 Mechanical Q (Qms) 4.9 Total Q (Qts) 0.5 Compliance Equivalent Volume (Vas) 0.14 ft³, 4 dm³ Surface Area of Cone (Sd) 9.8”², 63.6 cm² Maximum Linear Excursion (Xmax)* 2.7 mm Xdamage** 6.8 mm Coil Inductance (Le) 0.18 mH Diaphragm mass (Mmd) 3.9 g Eta Zero 0.55 % Notes *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3) **Maximum excursion before permanent damage ***2 Hours Test According to AES 2-1984 Rev. 2003 ****Maximum power is defined as 3dB greater than nominal power