The entertainment center has a solid oak top, facing, doors, and base trim the rest is oak plywood.  The side sections have 3 movable shelves each the top on is fixed and only half the depth of the cabinet.

The approximate dimensions are as follows:

All pieces are 72" tall and 24" deep.

Center Section
Top opening is 41 1/2" wide by 38 1/4" tall
Left and right cabinets are 12" wide by 32 3/4" tall
Center sections are both 11" wide by 15 1/2" tall

Side Sections
Fixed shelf is 21" wide by 18" tall with a depth of 12 1/2"
The movable shelving section is 21" wide by 35 1/2" tall
The bottom cabinet is 21" wide by 29 1/2" tall