Problems With my first box build --pics--

[alexdbest2000 10+ year member]

anything you guys see i could improve before i put it together?

 

[EnvEe 02 10+ year member]

second one looks better, from what I can see at least

 

[alexdbest2000 10+ year member]

sorry the diagram seems fine

 

[jblayz1 10+ year member]

.5" in port width will change the tunning.

 

[alexdbest2000 10+ year member]

what should i do then? mabye he just made a mistake and its suppost to be 3". any formals to find this out?

 

[jblayz1 10+ year member]

2.5" port width will give that box a 31.8 hz tuning.

3" port width 35.5 hz.

LPort_Box_Calc

 

[wong05tsx 10+ year member]

cut out a same size as the port piece of .5" mdf and glue it with it?

 

[Joseph K 10+ year member]

//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif Much better

 

[twisztdauthorit 10+ year member]

....No.
To threadstarter: stop worrying about it. You honestly haven't seen bad box construction until you've seen my first speakers (which I know someone will graciously post pictures of LOL). To make straight cuts easier with a circular saw, here's what I used to do:

1. Measure distance from edge of saw fence to the middle of the blade.

2. Very carefully, draw a line of that width along a piece of wood (MAKE SURE IT'S STRAIGHT, OR IT'S USELESS).

3. Cut this piece of wood using a fence to keep it straight.

4. This piece you just cut is now a guide to a perfect cut every time. Place it at the edge of every line you draw for your panels, and it'll cut the panel to the dimension you want every time. And even it if doesn't, the maximum you can be off is 1/16" of an inch (because you measured to the middle of the blade, not the edge), which is easily correctable.

can you elaborate on this method? kinda confused

 

[bball09124 10+ year member]

are all the pieces of wood just leaning up against each other? because you said you didnt screw it down or glue it. maybe i missed something, but when you actually put it together shouldnt everything line up a little better?

 

[alexdbest2000 10+ year member]

of course i will

 

[alexdbest2000 10+ year member]

heres the final product

my first box

 

[dleccord 5,000+ posts]

....No.
To threadstarter: stop worrying about it. You honestly haven't seen bad box construction until you've seen my first speakers (which I know someone will graciously post pictures of LOL). To make straight cuts easier with a circular saw, here's what I used to do:

1. Measure distance from edge of saw fence to the middle of the blade.

2. Very carefully, draw a line of that width along a piece of wood (MAKE SURE IT'S STRAIGHT, OR IT'S USELESS).

3. Cut this piece of wood using a fence to keep it straight.

4. This piece you just cut is now a guide to a perfect cut every time. Place it at the edge of every line you draw for your panels, and it'll cut the panel to the dimension you want every time. And even it if doesn't, the maximum you can be off is 1/16" of an inch (because you measured to the middle of the blade, not the edge), which is easily correctable.

well thats how i do mines, not the best but how would you fix a gap like that w/o cutting up a new board?

 

[PV Audio 5,000+ posts]

well thats how i do mines, not the best but how would you fix a gap like that w/o cutting up a new board?

Titebond 2 has zero filling properties at all, and doesn't work well at all as a sealant unless it's attached to a bond. If you have a tight bond and spread woodglue across the joint to be sure, that's different. However, it it's not tightly bonded and you just throw some wood glue in there, it won't do too much of anything. Your gorilla glue is a better option, but it's disgusting to work with. I used the wood paste described earlier. It dries harder than a brick, and I've even used it to seal a 1/4" gap between port pieces (between the joint in the "L"), and it's still holding up today with no audible differences.

 

[dleccord 5,000+ posts]

wood paste? is that some kinda of wood filler or saw dust + wood glue??