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Dave Jones 20th August 2004 09:26 PM

Mounting small speaker in 3/4" baffle
Looking at the dimensions of the Jordan JX92S, it appears that if you just cut a hole for it in 3/4" board, it would not have much room to breath. What's a good method of mounting a small speaker with a proportionately large magnet size in 3/4" board?

johninCR 20th August 2004 09:34 PM

Round off the interior side of the driver hole using a router or wood rasp.

Dave Jones 20th August 2004 09:43 PM


Originally posted by johninCR
Round off the interior side of the driver hole using a router or wood rasp.

What kind of hardware then?

johninCR 20th August 2004 10:05 PM

If you're going to use T nuts, then you may want to round off all but where the bolt holes will be. For a 4" driver I would just use screws, but my 4" drivers are only $1.50 vs $250/ea .

nonamekid 21st August 2004 04:57 AM

I mounted mine in 3/4" stock and used screws to fasten them. I started by routing a shoulder then cut the smaller speaker hole so the face of the frame mounts flush with the surface of the cabinet face. This cuts down on the apparent thickness of the stock by 3/16" or so. Seems to work fine in the little closed cubes I use. They are of 3/4" birch ply and 7 1/4" or so OD - like little bricks.

nonamekid 21st August 2004 05:02 AM

BTW - go here and you will find construction details including mounting holes in the dimension lists - for the 92s 13cm and 14.1 (if you can rout to the nearest milimeter!) leaving a shoulder of 5.5 mm.

Zaph 21st August 2004 01:14 PM

Here's the concept.

Here's a rear view showing airflow scallops and Hurricane T-nuts. This was a 5" driver similar in size to the Jordan. The router bit used was a simple ball bearing 1/2" chamfer with a carbide blade. (don't use cheap "high-speed steel" bits on mdf)

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