Posted March 21, 201015 yr Okay so i'm planning on having a box built for 2 12"s and having the subs face the roof (see pic)I'm wondering if I have a top piece of wood above the subs, how that would affect the sound? The top piece of wood would be above the subs by a couple inches. This would allow me to put stuff on my box for storage (ex: my backpack...)Does this make sense?
March 23, 201015 yr Okay so i'm planning on having a box built for 2 12"s and having the subs face the roof (see pic)I'm wondering if I have a top piece of wood above the subs, how that would affect the sound? The top piece of wood would be above the subs by a couple inches. This would allow me to put stuff on my box for storage (ex: my backpack...)Does this make sense?A couple inches? As in 2? Not enough room. I think that can cause the sound waves to cancel each other out.
March 23, 201015 yr Author how much space would it need to not cancel out and not have unloading problems?
March 23, 201015 yr I guess it works with down-firing enclosures, the floor acting kind of like the top you are talking about... I wonder if it is o.k. to do this...
March 23, 201015 yr I guess it works with down-firing enclosures, the floor acting kind of like the top you are talking about... I wonder if it is o.k. to do this...This was my initial thought too........ What would be the difference? I only ask because I have a very similar setup that I thought about doing the same thing to.
March 23, 201015 yr It won't be a problem as long as you have enough space, say you have a 4" wide port, the distance from the top piece needs to be 4" as well.
March 24, 201015 yr A couple inches? As in 2? Not enough room. I think that can cause the sound waves to cancel each other out.Too small of a distance for actual cancellation to occur. But as others have mentioned, leave enough room as to not adversely affect sub/port loading.
April 9, 201015 yr Wouldn't this be similiar to a bandpass or tunnel style box. Sorry I don't know proper terminology.
April 9, 201015 yr Wouldn't this be similiar to a bandpass or tunnel style box. Sorry I don't know proper terminology.It's almost a bandpass, not quite though
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