"CELESTION CLASSIC LEAD 80 12-inch Guitar Speaker 80 Watt 16 Ohms Impedance Unique Dynamic Sound With Fiberglass Voice Coil - T3978 || SPECIFICATIONS || Nominal diameter : 305mm / 12in || Power rating : 80W || Rated impedance : 8Ω or 16Ω || Sensitivity : 99dB || Chassis type : Pressed steel || Magnet type : Ceramic || Magnet weight : 1.42kg / 50oz || Voice coil diameter : 1.75in / 55.5mm || Voice coil material : Round copper || Frequency range : 80-5000Hz || Resonance frequency, Fs : 85Hz || DC resistance, Re : 6.9Ω or 11.8Ω || || MOUNTING INFORMATION || Cut-out diameter : 283mm / 11.1in || Diameter : 309mm / 12.2in || Magnet structure diameter : 156mm / 6.1in || Mounting hole dimensions : 7.9mm / 0.31in Ø || Mounting hole PCD : 297mm / 11.7in || Number of mounting holes : 4 || Chassis depth (inc gasket) : 97mm / 3.79in || Magnet depth : 38mm / 1.51in || Overall depth : 135mm / 5.3in || Unit weight : 4.7kg / 10.4lb || || Developed in the late '70s the Classic Lead guitar speaker uses a fibreglass voice coil former to deliver an 80W power rating and 16-ohm impedance and a unique dynamic sound. || || A firm favourite with lead guitarists the Classic Lead features a tightly controlled low-end with strong high bass / low mid punch aggressive mid range attack and a powerful yet controlled top-end. For power chords it has the tone to make its presence felt but the subtle high-frequency roll- off makes it ideal for solos able to project single notes on loud stages without becoming shrill. || || It's popular among lead guitarists for its tightly controlled low-end, strong high bass/low mid punch, aggressive mid-range attack, and powerful yet controlled top-end."