Upper panel protects horn rotor. Lower louvered panel protects drum rotor. Middle panel is necessary for proper acoustical tuning/porting of the cabinet. Made of cabinet grade veneer core birch plywood.
NOTE: We also have a limited number of vintage top and bottom louvered panels in stock for immediate delivery. Stain color shown below is representative only, as all vintage panels are somewhat different, and specific color/type is subject to availablity on hand.