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Another Pair of CS-1's


GR350

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Finished the build a few weeks ago. Hat tip to Bob Crites. I am thrilled with the way they sound. They blend in with my old Cornwalls beautifully. Could not be more pleased. Here are a couple of pics. Did not get the stain to match perfectly. Oh well.2Q==2Q==

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I did not know these directions were out there. I did it a different way. I bought the cane style grill cloth from Wendell Fabrics. I don't think the old stuff is available anymore. I used the motor board as the basic pattern. I used masonite for the backer board. Any lumber yard has it. I cut the holes slightly larger than the speakers. I trimmed the backer approx 1/8" smaller overall than the motor board. I spray painted the backer with a couple of coates of black satin laquer. Allow the laquer to dry completely. It drys fast. I cut the cloth a few inches bigger overall than the backer. I sprayed a thin coat of 3M 77 adhesive on one side of the board. Spray this stuff outside. It sticks to everything. Carefully position the cloth on the board. You can start on one edge and sort of gently pull it and smooth it down as you go. I did this in the kitchen floor. Flip the board over cloth side down. Get a bottle of weldwood contact cement. Brush on a good coat along the perimiter (approx .50 - .75 in wide) and brush the cement on the adjacent surface of the cloth. Allow the cement to surface dry just like the directions say. Roll the cloth over the edge and onto the back of the board. It should stick instantly. You can trim off any excess cloth with a sharp exacto. I got very lucky in that with the cloth affixed to the board it fit so tight that I did not need any velcro pads to hold it to the motor board. Dumb luck happens sometimes. This method worked well for the cane cloth. It's pretty stiff. Not sure how it would work for the softer stuff.

This was my first attemp at speaker construction so I kind of made it up as I went. I wanted them to match the look of my old Cornwalls so I basically copied the construction techniques that Klipsch used. The main difference was the old speakers were veneered in Oak and I just used cabinet grade Oak plywood. I bought a 3/4" Oak plank and cut 1/8" strips to closeout the front edges. I had local hardware store make me up a can of stain (turned out lighter than the old ones). After the stain dried I applied 3 coates of Deft brushable laquer. It worked much better than I expected. It looks a bit streaky at first but lays down nicely. You can lightly sand with 600 grit between coates if desired. Here is a picture with the grill off. I sprayed black satin laquer on the front up to the edges.

post-48680-13819659608206_thumb.jpg

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