Chu Gai - Two of the pairs I got brand new for $300 shipped together. The third pair, which I got used on Ebay, I got for about $165 shipped. The third pair seems to already have a liberal coat of Armorall or something of that sort on the cones. In addition they're very much worn in -- the sound...
I just got another pair of Rogers DB101's in the mail today, and since they're new they have some residue on the cones. What do I use to clean them off? I'm pretty sure the cones are polypropylene so I suppose I could use water but I'd rather not. I heard Armorall protectant is good to use...