8.5 inch 6 ohm Ceramic Sandwich Bass Unit. Neodymium magnet.
The Accuton S220-6-222 is an esoteric 8.5 inch (220mm) bass drive unit primarily intended for medium size 3 way floor standing speakers and studio monitors of the highest quality.
This high end driver features an ultra stiff ceramic sandwich cone with a soft rubber long throw surround. The large Neodymium magnet and 55mm titanium former yield very low distortion levels whilst maintaining a high sensitivity of 92.5 dB.
The spider, pole and voice coil former are fully ventilated for minimal compression. This driver has a substantial power rating of 150 watts and offers pure, accurate transients with good weight and control.
Full datasheets can be downloaded from the bottom of this page.