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Great looking box, and seems quite simple to do also.
I don't blame you for getting rid of that monsterous bandpass box.

My question would be how much airspace is there. Doesn't look like nearly enough to support 2 12" subs.

My recommendation if your wanting to save room and still have good sound is to move away from 12's and drop to either 10's or 8's. They will sound immenssly better at lower airspace volume and the lower volume required means the lower space required.

2 JL Audio 8W3 D6's will run you a combined airspace of .75 Cubic feet.
This equals a box 32" Wide X 9" High X 8" Deep. That is probably very similar in size to the new box you made. Of course if money is tight then you probably don't want to go this route as each speaker is aproximately $120, and amp to push them would have to make at least 250 watts of power.
 

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dogstar said:
distortion from pushing an amp too hard is what destroys subs, along with too much power.
Yes, distortion from an underpowered sub will cause distortion. The amount of power required to push a sub is RMS. If the amp doesn't put out that much power than your looking for trouble, even at lower sound levels. An underpowered amp is going to be using up its power earlier in the volume range. If you never go over a certain volume range then your fine.

For example though. If your cruising down the freeway at 70MPH, your going to have more road noise generated and to hear the stereo over this increased ambient noise, you increase volume. Roll the windows down and your going to have to crank the volume more. Some don't have to worry about this, but many other will do this at some point.

Once your amp runs out of power it is going to struggle to make the difference up. It can and will make it up, but at the cost of damage to itself and the sub.

My statement was in regards to longevity of all components.
 
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