- Vented aerodynamic cast aluminium chassis for optimum strength and low compression. - Proprietary cone material with EGYPTIAN PAPYRUSﾙ fibres made in-house. - Soft low damping rubber surround for optimum transient response. - Advanced BIMAX spider for improved linearity. - Powerful optimized low distortion neodymium motor system. - Non-conducting fibre glass voice coil former for minimum damping. - Extended copper sleeve on pole piece for low inductance and reduced distortion. - CCAW voice coil for reduced moving mass. - Long life silver lead wires attached 180ﾰ apart for improved stability. - Vented pole piece and coil former for reduced compression. - High piston to chassis diameter ratio. - Gasket and bolt hole protrusions for reduced coupling to speaker cabinet. - Mode balanced cone for reduced break-up.