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14 ga Aluminum Chassis

"I'm hoping the Lloyd Pans 14ga aluminum baking pan chassis will work well for these. "

I'm working with one right now, a 16" X 8" X 2" for a guitar amp. The flanges on the short sides will be used to hold it into the amplifier case (upside down), but I had to remove the flanges on the long sides so my front and rear panels could be attached. That turned out to be quite a challenge. I ended up cutting off most of each flange with a bandsaw. Then I used a 1/4" laminate trimmer in a router to remove most of what was left. There's still a small protrusion all along each edge, but that can be sanded off pretty easily.

Of course, none of this would be necessary for a typical audio amplifier. The chassis could be set into a wood frame from underneath. If the bottom edges of the wood panels were grooved with a dado or router before the frame was assembled, it would create a recess all the way around for the flanges to fit into. A few holes and countersunk screws through the flanges, and it's perfect.

Incidentally, I discovered that the measurements of these pans are inside, not outside. Mine is actually 16.125" X 8.125" X 2.125" (the advertised dimensions plus twice the thickness of the metal). No problem, except I bought 2" strips of 1/8" aluminum to cut into panels. They're not quite tall enough to completely cover the chassis. I can live with it for this project, but I'll probably need to black out the chassis to make it less obvious.

One of these days, I might contact the company to see about changing all this a little. It should be a simple matter to fabricate these without flanges on all four sides, or maybe even to bend the flanges in, instead of out. Lloyd does mention on their site that they're available for custom sheet metal work.

Good luck with your project!











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