Ted Weber 12" Alnico Blue Dog_x000D_Classic AlNiCo Vox Tone 12", 40oz AlNiCo magnet, 1 3 4" voice coil, ribbed cone._ _x000D_As with all Weber speakers, the higher the power rating, the warmer and smoother the speaker. The 15 watt is aggressive, bright, with a strong midrange crang. At the other end, the 100 watt is warm, smooth, yet is detailed and clear with very good definition. The 75 and 100 watt models use very high temperature voice coils that are the same weight and mass