$325 Lab 12 based PA tapped horn ~ 35Hz extension

Btw, I am sending out my UMIK-1 to Cross Spectrum Labs to get calibrated on Monday. I should have it back by the end of next week, and I'll get started on building the second cabinet.
I don't think CSL does a sensitivity calibration, but as far as frequency response goes, from 30hz up I should be able to get pretty accurate measurements for you guys!
 
I also got most of the stuff I need to complete the system.
(4)18 sound 1" HF drivers
Dayton 10" round waveguide
(4) eminence sealed back midranges
(4) celestion 15" for midbass

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Awesome!

Just want to point out a few things. My "as built" cabinet is slightly under 30" deep. Off by about a quarter inch.

Also, in the rendering I see a reflector (most likely so one can cut handles Into the top and back, I just chose the Dayton metal handle. Takes up less internal volume

How do I edit the first post?
 
Nevermind I see I can edit the first post. I thought I couldn't.

Got the second one going, did a little different construction order on this one, I liked it better.

CONSTRUCTION

Started with the bottom panel, G then glued D on perpendicular to that.

Then went to the top panel B and squared the back panel A to it.
Then glued on the angled panel E
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Then as you can see I attached F H and I at right angles to each other, but seperate from the horn.
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I will then attach that as an assembly, then move to the front panel C and voila! Easier this way, took much less time.
 
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I don't they'll move too much. I have them tacked down, the tacks had pretty long legs, don't think they'll come out.

Second coat finished. Went on nice and thick, and texture looks great. I'll have enough to do one more coat on this cabinet, then three coats on the third cabinet. Works out to $35 per cabinet. Not bad at all!

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Close up of the texture.
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I don't they'll move too much. I have them tacked down, the tacks had pretty long legs, don't think they'll come out.

Second coat finished. Went on nice and thick, and texture looks great. I'll have enough to do one more coat on this cabinet, then three coats on the third cabinet. Works out to $35 per cabinet. Not bad at all!
Looks good!

Using regular paint for a prime coat using a pad brush is easier to get an even seal, then only one coat of Duratex is needed.
Saves 1/3 painting time, and about 1/2 the cost.
 
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