The Neo 250 Copperback is a neodymium driver that provides tons of sound without the characteristic cone break immediately associated with the classic rumble of Celestion, without losing its bestiality. The Neo 250 reveals the best of your amplifier and plays without additional coloring. The unique response of the speaker is characterized by tight bass, neutral bass midrange, clear, open upper-mid definition and well-controlled treble. With a monstrous power of 250 watts, the Neo 250 works with your amp to offer unrivaled dynamics. Built with a neodymium magnet, you get all that power and tone at a modest 2.6 kg. - Rated power: 250W (RMS) - Impedance: 8 Ohms - Sensitivity: 100 dB - Diameter: 12 inches - Moving coil: Round copper - Magnet: Neodymium - Frequency range: 70-5500 Hz - Resonance frequency: 55 Hz - Weight: 2.6 kg