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Thread: Semi-trapezoidal 2-way

  1. #31
    Senior Member John W's Avatar
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    I applied the paint over the weekend. The DuraTex paint worked great, it was just what I was looking for. In the can the stuff is about the consistency of licorice pudding. I had originally planned to spray it on with a cheap airless sprayer, but it just sort of clogged the thing up. Instead I rolled it on with a small thick-napped roller. The paint covered nicely, dried fast and has virtually no odor and looks to be pretty tough. The minimum order qty was a gallon. I used less that a quarter of that.
    My crossover is not that far off. The 2425s are actually 8ohm rather than 16ohm like I originally posted. The nl200t3 crossover clone that I have needed to be padded down about 3db in the horn, but then the speakers sounded very nice. I still plan a rebuild of the xover in the near future.
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  2. #32
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    Nice! That DuraTex looks perfect for some road cabinets I'm designing.

    On that 8 ohm 2425 - is it an "H" diaphragm, or did you measure it at 8 ohms? I believe the 16 ohm "J" diaphragms actually measure closer to 8 ohms.

    John

  3. #33
    Senior Member John W's Avatar
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    Quote Originally Posted by johnaec
    On that 8 ohm 2425 - is it an "H" diaphragm, or did you measure it at 8 ohms? I believe the 16 ohm "J" diaphragms actually measure closer to 8 ohms.
    John
    It says 2425H - 8ohm right on the back. I don't know what I was thinking before.

  4. #34
    Senior Member JuniorJBL's Avatar
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    Nice work John!! Thanks for sharing with us.
    Always fun learning more.......

  5. #35
    RIP 2011 Zilch's Avatar
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    Izzat cool or WHAT!!!

    How 'bout some JBL Monitor Blue grilles in the woofer recesses flushed with the front?

    The angles make wonderful illusions in the pics, and the contrast with the 2344A curves is stunning....

  6. #36
    Senior Member edgewound's Avatar
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    Quote Originally Posted by John W
    I applied the paint over the weekend. The DuraTex paint worked great, it was just what I was looking for. In the can the stuff is about the consistency of licorice pudding. I had originally planned to spray it on with a cheap airless sprayer, but it just sort of clogged the thing up. Instead I rolled it on with a small thick-napped roller. The paint covered nicely, dried fast and has virtually no odor and looks to be pretty tough. The minimum order qty was a gallon. I used less that a quarter of that.
    My crossover is not that far off. The 2425s are actually 8ohm rather than 16ohm like I originally posted. The nl200t3 crossover clone that I have needed to be padded down about 3db in the horn, but then the speakers sounded very nice. I still plan a rebuild of the xover in the near future.
    Beautiful work John!!!
    Edgewound...JBL Pro Authorized...since 1988
    Upland Loudspeaker Service, Upland, CA

  7. #37
    Senior Member DavidF's Avatar
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    DIY as it should be

    Excellent design and craft skills. Simple and elegant. But this business of less than a month from paper to finished project has got to stop. You're making me look pitiful on my many half-finished deals.

    DavidF

  8. #38
    Senior Member Uncle Paul's Avatar
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    BEAUTIFUL!
    "Zobel is as zobel does"

  9. #39
    Senior Member Don Mascali's Avatar
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    Dura Tex

    I just ordered a bucket of that Dura Tex.

    You surely did a fine job on those. They are beautiful.
    That finish really looks like the ticket for my HT room.
    I've given up on fine cabinetry because the black is less distracting.

    Thanks for the heads up. Keep up the fine work.
    4406, 4412A, L100, L100t3 (3 pair), L1, L7, 4645C, 4660A, 4695B, SR4735 and various DIY JBL Pro loaded systems.

  10. #40
    Senior Member John W's Avatar
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    Quote Originally Posted by Don Mascali
    I just ordered a bucket of that Dura Tex.

    You surely did a fine job on those. They are beautiful.
    That finish really looks like the ticket for my HT room.
    I've given up on fine cabinetry because the black is less distracting.

    Thanks for the heads up. Keep up the fine work.
    Thanks for the kind words.
    I definitely like a nice veneered cabinet, but sometimes paint makes sense. Make sure you get your cabinets nice and smooth before you apply the paint. It doesnt cover up as many imperfections as you would think. A lot of little gaps and ridges all of a sudden appear when painted black, even with the texture.

  11. #41
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    Hello
    I just built 8 PA cabinets for a friend of mine and he finished
    them out with Dura Tex and they look great. He used a coat of
    primer and three coats of the Dura Tex. It has a hard epoxy like
    feel to it.

    Mike Caldwell

  12. #42
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    I think I'm going to order a bucket of it.

  13. #43
    Senior Member oznob's Avatar
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    Dura Tex?

    Is Dura Tex similar to, or the same stuff they use to coat pick-up beds with? I have always thought that stuff would be great for road cabinets or??? Very nice work by the way!

  14. #44
    Senior Member John W's Avatar
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    Similar, but this stuff is sort of slick and plastic like when dry. I think the the pickup liners are more non-skid rubber coatings. I looked into both one and two part truck liners. Most of the research I did suggested that the two-part formula's are better, but most require a pressure pot sprayer, and are a little more expensive. My wife is sensitive to petroleum based paint smell and that influenced my choice too.

  15. #45
    Senior Member oznob's Avatar
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    Thanks for the info John, and again, great work!

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