Tang Band W8-1772 8" Neodymium Full Range Driver Tang Band's W8-1772 full range driver features a sturdy cast frame, multiple-element neodymium magnet system, paper cone, and cloth half-roll surround. A precisely machined integral plug prevents phase cancellations and improves high frequency extension and dispersion. The underhung 1-1/2" voice coil reduces second and third harmonic distortion while still delivering high efficiency (95 dB 1W/1m ) and 3 mm of Xmax. Designed for point source/full range applications. Highlights Powerful neodymium motor allows high efficiency from an underhung design Highly damped paper cone and whizzer cone provides natural response True full range response with the low frequency capability of an 8" driver 95 dB efficiency is perfect for class A and tube amplifiers