HONEYCOMB CONE LONG STROKE Light weight rigid honeycomb cone (hard paper honeycomb with fibre glass skin layers). 75mm copper voice coil for improved power handling. Long life silver lead wires. Vented pole piece for minimum compression. Vented cast aluminium chassis for optimum strength and low compression. Low damping rubber surround for improved dynamic linearity. Non-conducting fibre glass voice coil former for minimum damping. Large motor system. Light weight rigid honeycomb cone (hard paper honeycomb with fiber glass skin layers) 3" copper voice coil for improved power handling Long life silver lead wires Vented pole piece for minimum compression Vented cast aluminium chassis for optimum strength and low compression Low damping rubber surround for improved dynamic linearity Non-conducting fiber glass voice coil former for minimum damping Large motor system