Originally posted by DMF What the heck are you talking about?
I think he may be talking about which is a better driver material, aluminum or ceramic?
If that indeed is the case, then neither as it doesn't matter. What matters is integration with the loudspeaker as whole. Like crossover and cabinet construction. You can use Kevlar, wood pulp, ceramic, aluminum, polypropylene, etc. It's the sound in the end that matters and how you like or dislike it.
Many loudspeakers use aluminum but they all don't sound the same nor have matching freq responses. Same goes for ceramic, paper, and plastic.
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