Any help would be great

I have a unique need and have not been able to find a solution anywhere. I have posted this question to more appropriate sites and have not had any luck so I'm crossing my fingers here. I recently designed and constructed a one-off. Outdoor rock speaker housing and I have been unable to locate a suitable speaker for it. It would need to be 8 inches in diameter. Preferably, full range or mid-range appropriate for outdoors. And be able to be mounted from the back to the front. Cause that's the way I made the speaker housing already. I would like to keep the cost below $250 but at this point I may have to take what I can get. For an idea of the housing I used an OSD rock speaker at a rough design guid. It weighs approximately 65lbs and is sealed with .75ft³ Thank you for any help you can provide.i work in the custom composite industry and this was an all hands on deck shop project. One of the layers of the rock is Titanium coated diamonds just because we had it and didn't have another use for them (pretty amazing actually) attacked is the OSD I used as a guide.

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0.75 ft3 -> 21 litres.

Neither of the 8” FRs i have heard would work well, they are paper. Heavily stuffed you might get away with the FA22 as far as load but won’t fair well if it gets wet, A palstic or metal cone for that..

dave
 
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It sounds like you're more interested in basic function than an optimal design (which is fine). If that's the case, I'd try something like a marine rated co-axial. You'll lose some of the lower bass if your box is too small for it, but it doesn't sound like that's a high priority for you anyway.

If you have the depth, you could add an adapter plate to make a front mount speaker fit. Basically a 3/4-inch-thick ring of plastic with something like a 10-inch OD and 8-inch ID that mates up to your baffle, then put another ring behind that with a 10-inch OD and 6-inch ID. If you have an 8-inch ID hole, you could probably make a 6.5 inch speaker fit this way.

If you really want an 8 inch, a more complicated adapter could likely make that work as a front mount also.

Sorry if I've misinterpreted what you're after.
 
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