High Efficiency Speaker Asylum

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RE: Compression drivers used outdoors

Posted by hollowboy on February 1, 2017 at 16:39:44:
Thanks. This puzzled me, but then I looked up cutaway diagrams... I had forgotten that the 'anatomy' of a compression driver is reversed from a cone driver - so moisture doesn't have to go through the diaphragm to reach the magnet gap.

Solution:

I might trim the horns down slightly, so I can mount them them inside something I can seal airtight - 200 litre food drums. That would be less trouble than hauling the horns in and out of storage, and should only cost about $50:

"Food grade steel drums

200lt clean food grade feed or storage steel drums. These drums have only been used once and are in excellent condition. They are a open lid drum with a band clip ring. Limited stock."