ALTOPARLANTE WOOFER 3” Pollici 80 mm 20 Watt 8 Ohm Ferrite 3FE25A Faital Pro 3 FE 25 A

Nominal Specifications Nominal Diameter 3”, 80 mm Overall Diameter 4.16/3.19”, 105.6/81 mm Bolt Circle Diameter 3.62”, 92 mm Baffle Cutout Diameter 2.91”, 74 mm Depth 2.15”, 54.5 mm Flange and Gasket Thickness 0.25”, 6.5 mm Electrical Specifications Minimum Impedance 7 Ohm Nominal Impedance 8 Ohm Nominal Power Handling*** 20 W Maximum Power Handling**** 40 W Sensitivity (1W/1m) 91 dB Frequency Range 100 - 20,000 Hz Voice Coil Diameter 0.75”, 19 mm Winding Material Aluminium Former Material Kapton Winding Depth 0.2”, 5 mm Magnetic Gap Depth 0.16”, 4 mm Flux Density 1.5 T THIELE & SMALL Parameters Resonant Frequency (fs) 110 Hz DC Resistance (Re) 6.2 Ohm BL Product (BL) 3.6 N/A Diaphragm Mass inc. Airload (Mms) 2.4 grams Mechanical Compliance of Suspension (Cms) 0.67 mm/N Rms 0.4 Kg/s Electromagnetic Q (Qes) 0.9 Mechanical Q (Qms) 4.7 Total Q (Qts) 0.7 Compliance Equivalent Volume (Vas) 0.03 ft³, 0.8 dm³ Surface Area of Cone (Sd) 4.56”², 29.4 cm² Maximum Linear Excursion (Xmax)* 1.83 mm Xdamage** 7.9 mm Coil Inductance (Le) 0.07 mH Diaphragm mass (Mmd) 2.3 g Eta Zero 0.18 % 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