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1/2way through building sub enclosure, have some questions (no 56k'ers)

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Old Feb 24, 2004 | 05:22 AM
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Default 1/2way through building sub enclosure, have some questions (no 56k'ers)

In the hopes of building one of the enclosures recommended in the 'S2000-specific Audio FAQ' I stopped at Home Depot last night and bought a sheet of 3/4" MDF.



Last night I made all the cuts to size as you can see in the photos below:







Although the box is not assembled yet, here is how it looks not if you just line the pieces up. I have not made a cutout in the top piece for the sub yet b/c I have not yet decided which to get:





Obviously the enclosure I am building is the 2nd one of the 3 shown in the S2000-specific Audio FAQ.

http://www.geocities.com/mariobonifacio/me...easurements.htm


Since I am new to this kind of stuff, I have quite a few questions:

1) The FAQ gives measurements for length and width of each piece, but not angles like on the 23"/17" rhombus. Does anyone know them?
2) The FAQ does not give the angle at which to cut the edges of the 7 1/8" x 11 1/2" pieces. Does anyone know them?
3) What tool we you recommend using to make the cuts mentioned in #2
4) After I assemble with wood screws and wood glue, is it a good idea to go around the edges with silicone?

Of course, please feel free to throw any other advice my way you can think of. I realize this is not as sexy as a professional fiberglass enclosure, butI paid $19 at Home Depot for this MDF. For now, I'd rather put my limited funds towards a better sub and amp.

Thanks for any help guys.
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Old Feb 24, 2004 | 06:28 AM
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Looks pretty good for someone asking your first 3 questions! I'd say you've got those figured out pretty well...

As for question number 4, definitely get a good, thick, silicone bead around every seam inside the box. I usually run my finger along the bead to press it into the cracks good. Don't forget to fill any hole you drill for speaker wire with silicone also. Finally, outline the hole for the sub with a good bead before getting it in there. I'd rather make a little mess than have air leaks in a sub enclosure! It's very important that the box is air tight if you want it to sound good!

Good luck!
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Old Feb 24, 2004 | 06:41 AM
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[QUOTE]Originally posted by GamecockS2K
Looks pretty good for someone asking your first 3 questions!
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Old Feb 24, 2004 | 07:28 AM
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angles can also be cut using a jigsaw, if the jigsaw has an angle adjustment. also, a table saw can be used if the table saw as an angle adjustment...


i'm not exactly sure which angles you need is there anyway you can markup the drawing or highlight your photos and then post them? i'll happily calculate your angles.

actually -- looking at the drawing, i think i see what angles you need. still, post a markup and i'll tell you the angle needed. that way, we'll hopefully won't get our numbers mixed and leave you w/ a questionable cut.
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Old Feb 24, 2004 | 07:49 AM
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[QUOTE]Originally posted by PJK3
angles can also be cut using a jigsaw, if the jigsaw has an angle adjustment.
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Old Feb 24, 2004 | 08:07 AM
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i hope this is explanatory enough -- the angle between what your edge currently is, and what your edge should be is 26.4*. chances are, you'll be lucky to get a 26.5* cut.

does this make sense?

technically, you circled 3 angles there... the one i'm talking about is the angle with the side in contact w/ the top and bottom.
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Old Feb 24, 2004 | 08:28 AM
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[QUOTE]Originally posted by PJK3
i hope this is explanatory enough -- the angle between what your edge currently is, and what your edge should be is 26.4*.
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Old Feb 24, 2004 | 08:56 AM
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26.4 degrees. (i used the * as a quicker way to get a degrees symbol).

the angle between the bottom of the enclosure and the top of your white line would be 26.4 degrees. (be happy if you can get it to 26.5.) otherwise, shoot for 27 degrees.
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Old Feb 24, 2004 | 08:59 AM
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[QUOTE]Originally posted by PJK3
26.4 degrees.
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Old Feb 24, 2004 | 10:18 AM
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This is the saw I have to do the cuts. It seems to be angle adjustable, but dialing it in seems like it will be tough, especially in the incraments were're talking about...

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