The conversation comes up about cone materials from time to time. Have had a few lengthy discussions about it in fact. For our own research we do a lot of testing with as many various cone materials as we can avail ourselves of. There are a number of factors to consider, not the least of which is price. Metal cones are more expensive than most of the materials available so we use a number of different cone materials ourselves in less expensive models. The cone material, assuming the other design factors about the speaker are equal, will normally have its greatest impact at higher volume levels. I am sure other designers have their own research into this subject but, as I am sure you can appreciate, we need to rely on ours.
Ian Colquhoun
President & Chief Engineer
