RED FANG™ 16 30 Watt / 16 Ohm / 12" red fang n. a 12” guitar speaker with unique British voicing, a large alnico magnet, smooth distortion and rich harmonics Coloration : Vintage British sound with warm undertones and high-end sparkle Genre : Vintage classic British tone for Blues, Country, Indie and Jazz Specification Nominal Basket Diameter 12”, 304.8mm Nominal Impedance* 16 ohms Power Rating** 50W Resonance 89Hz Usable Frequency Range*** 70Hz-6kHz Sensitivity 100.3 Magnet Weight 35 oz. Gap Height 0.312”, 7.92mm Voice Coil Diameter 1.75”, 44.5mm Thiele & Small Parameters Resonant Frequency (fs) 89Hz DC Resistance (Re) 11.4 Coil Inductance (Le) 0.71mH Mechanical Q (Qms) 8.93 Electromagnetic Q (Qes) 1.09 Total Q (Qts) 0.97 Compliance Equivalent Volume (Vas) 50.2 liters / 1.8 cu. ft. Peak Diaphragm Displacement Volume (Vd) 25cc Mechanical Compliance of Suspension (Cms) 0.13mm/N BL Product (BL) 12.0 T-M Diaphragm Mass inc. Airload (Mms) 24 grams Efficiency (EBP) Bandwidth Product 82 Maximum Linear Excursion (Xmax) 0.5mm Surface Area of Cone (Sd) 519.5 cm2 Maximum Mechanical Limit (Xlim) Mounting Information Recommended Enclosure Volume Sealed Acceptable Vented Acceptable Overall Diameter 12.02”, 305.3mm Baffle Hole Diameter 10.97”, 278.6mm Front Sealing Gasket fitted as Rear Sealing Gasket fitted as Mounting Holes Diameter 0.25”, 6.4mm Mounting Holes B.C.D. 11.63”, 295.4mm Depth 6.2”, 158mm Net Weight 9.3 lbs., 4.2 kg Shipping Weight 11.1 lbs., 5 kg Materials of Construction Copper voice coil Nomex former Alnico magnet Non-vented core Pressed steel basket Paper Cone Paper cone edge Zurette dust cap