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DIY For Audio
New high efficiency speaker build
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<blockquote data-quote="JimGore" data-source="post: 85613" data-attributes="member: 3"><p>Thanks Gerhard.</p><p></p><p></p><p>As with everything, some trial and error testing can be your friend. I came up with a solution that involves a number of steps:</p><p></p><p>1. Seal the MDF with 2 good coats of shellac.</p><p>2. Sand smooth</p><p>3. Apply thinned contact glue to the entire MDF surface using a brush. You must thin it so it goes on nice and easy.</p><p>4. Sand the back of the plastic well with 100 grit paper. This creates a course surface so the glue holds better.</p><p>5. Apply thinned contact glue to the sanded plastic, making sure you cover all of it.</p><p>6. Recoat the MDF with contact glue (the previous coat should be just about dry by now)</p><p>7. Wait a couple of minutes for the contact glue to become tacky</p><p>8. Align the plastic, then stick it down.</p><p>9. Use a paint-roller to apply pressure to the surface of the plastic. Roll a couple of times in all directions.</p><p>10. Wait an hour for the bond to get some strength</p><p>11. Saw and mill it clean.</p><p></p><p>Cheers,</p><p>Ian.</p></blockquote><p></p>
[QUOTE="JimGore, post: 85613, member: 3"] Thanks Gerhard. As with everything, some trial and error testing can be your friend. I came up with a solution that involves a number of steps: 1. Seal the MDF with 2 good coats of shellac. 2. Sand smooth 3. Apply thinned contact glue to the entire MDF surface using a brush. You must thin it so it goes on nice and easy. 4. Sand the back of the plastic well with 100 grit paper. This creates a course surface so the glue holds better. 5. Apply thinned contact glue to the sanded plastic, making sure you cover all of it. 6. Recoat the MDF with contact glue (the previous coat should be just about dry by now) 7. Wait a couple of minutes for the contact glue to become tacky 8. Align the plastic, then stick it down. 9. Use a paint-roller to apply pressure to the surface of the plastic. Roll a couple of times in all directions. 10. Wait an hour for the bond to get some strength 11. Saw and mill it clean. Cheers, Ian. [/QUOTE]
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DIY & Tutorials
DIY For Audio
New high efficiency speaker build
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