Celestion G12-100 Raven 8 Ohm, Speaker for Electric Guitar, 12-inch guitar speaker with a lightweight ceramic magnet, Impedance: 8 Ohm, Sensitivity: 100dB, Rated power: 100W, Frequency range: 70 - 5000 Hz, Resonance frequency: 72 Hz, 2" voice coil, Weight: 0.85 kg (magnet), 2.5 kg (total)