Originally Posted by dm_rep
I need my box to be narrow. Will 6.5 internal depth be a problem? The data sheet says the subs are 6 1/16.
I highly doubt it unless you are pouring the coals to it playing death metal or dubstep at clipping levels for a long period of time. You could use a box that was 6 1/16" deep if you cut out the MDF or plywood behind the motor and substituted a 1/8" thick piece of aluminum with a gasket screwed to the outside of the box to ensure adequate venting of the motor.
Ask your doctor if DIY is right for you. Side effects of DIY may include anxiety, elevated blood pressure, lightheadedness, rapid heartbeat, skeletal muscle flaccidity, euphoria, psychological dependence, insomnia, confusion, blurred vision, impulsivity, uncontrolled or repeated movements.