 How I put new speakers in the original grills, Step by step with pictures |
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| horizontally-opposed |
 Dec 2 2019, 06:42 PM
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#21
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Advanced Member  Group: Members Posts: 3,430 Joined: 12-May 04 From: San Francisco Member No.: 2,058 Region Association: None 
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So I am thinking about moving my tweeters and a pair of small midrange speakers to this location, and then replacing the 6.5s in my doors (hate the look, but that's for another day, and I do like tunes).
Any audio experts have some thoughts on what kind of MDF (or?) I should use for the board? I may add one more pair of tweeters where the current ones are in the doors (IMG:style_emoticons/default/dry.gif) or get more creative in hiding them. We'll see... |
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| 914forme |
Jan 4 2021, 11:04 AM
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#22
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Times a wastin', get wrenchin'! Group: Members Posts: 3,896 Joined: 24-July 04 From: Dayton, Ohio Member No.: 2,388 Region Association: None
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@Horizontally-opposed Pete ABS or cellular PVC, think PVC trim, HPDE, or Acrylic.
But the choice really comes down to what you are doing. Cellular PVC does not hold threads well with out an insert. Acrylic can be tapped and has a good solvent. = $$$. But this is the best choice for speaker adapters, just costs more. ABS - Drill and Tap, heatable to bend, and has good solvents to weld it. your stuck with black, and a textured on one side. HDPE - Cutting boards - cheap and easy to find. Threads well, but galls if doing it often. Does not glue well. |
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| horizontally-opposed |
Jan 4 2021, 02:01 PM
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#23
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Advanced Member Group: Members Posts: 3,430 Joined: 12-May 04 From: San Francisco Member No.: 2,058 Region Association: None
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QUOTE(914forme @ Jan 4 2021, 09:04 AM)  @Horizontally-opposed Pete ABS or cellular PVC, think PVC trim, HPDE, or Acrylic. But the choice really comes down to what you are doing. Cellular PVC does not hold threads well with out an insert. Acrylic can be tapped and has a good solvent. = $$$. But this is the best choice for speaker adapters, just costs more. ABS - Drill and Tap, heatable to bend, and has good solvents to weld it. your stuck with black, and a textured on one side. HDPE - Cutting boards - cheap and easy to find. Threads well, but galls if doing it often. Does not glue well. ^ (IMG:style_emoticons/default/agree.gif) I went with ABS as I want to get away from materials that are easily compromised by moisture—whether leaking rain water or humidity over time. Not a huge issue where I live, but when you've got the choice… So far, so good. A thick ABS board from TAP Plastics seemed like overkill, and heavier than it needed to be, felt just right once the large hole was cut out. Super stable, and very light. I've made a small tweak to Johannes' excellent template based on my other thread, and will share some pics when I have the boards completed. |
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