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In the Forum: Horn-Loaded Speakers
In the Thread: Jessie Dazzle Project
Post Subject: Colors & surfacingPosted by jessie.dazzle on: 6/24/2008
Romy wrote : "...The horns that you made are elegant and graceful but painted in glossy black with that very rough structure I feel they are less attractive. The texture surface is good but I think that the sophistication of the epoxy-sand mix is not good enough for the appearance of your fine horns..."
Actually the photo was taken while the resin was still not cured... Once cured it goes more mat. This is then followed by a coat of mat black paint (what used to be called oil-based paint as opposed to water soluble latex) applied to both inner and outer surfaces.
Why mat black? Simple, ease of retouch. At one point the upper bass horns were done in dark bronze, and just as you suggest, I was going paint the smaller horns in progressively lighter shades... In the beginning I thought they looked great, but in the end I came to hate the color and especially the idea of being forced to keep on hand a correct mix of each color in the event of a retouch.
Other than dust, I have no problem with the black.
Regarding the scale of the texture: Like an idiot, I applied this texture at the time I moved (there were reasons to get it done at the old place) so the first time I listened to such an aggressively textured horn was once setup in the new place; meaning not only a different room, and different electricity, but also, finally with the upper bass horns in the same room.
Conclusion: Without conducting a back to back test against a smooth horn (which I would have to make), it is not possible to say, with any degree of certainty, what effect this texture has on sound.
I'll be sure to put one of the small horns in my suitcase if ever traveling to Boston.
jd*
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