CERAMIC CONE Vented cast aluminium chassis for optimum strength and low compression. Ceramic cone. Soft low damping rubber surround for improved transient response. Shorting ring in motor system for reduced distortion. Non-conducting fibre glass voice coil former for minimum damping. CCAW voice coil for reduced moving mass. Long life silver lead wires. Vented pole piece for reduced compression. Vented cast aluminium chassis for optimum strength and low compression Ceramic cone Soft low damping rubber surround for improved transient response Shorting ring in motor system for reduced distortion Non-conducting fibre glass voice coil former for minimum damping CCAW voice coil for reduced moving mass Long life silver lead wires Vented pole piece for reduced compression