There's a YouTube video on the replacement process, which takes some work. There's an eBay refurb service for the originals. The originals are no longer available.
I couldn't find any replacement drivers for my 104/2's. Called Kef and they didn't have them anymore. Loved the speakers for the 27 years that they still worked. I guess they don't owe me anything after that time. My son still has them as conversation pieces. One of my bass drivers doesn't work either. Cost quite a bit more to purchase newer speakers to replace them.
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