TV installation location: Wall mount above fireplace. Wall material: Drywall. TV size: 47\" to 50\". Electrical outlet near TV (within 10'): Yes. Conceal cables/wires: Yes. Peripheral devices to connect to the TV: Cable/satellite box, Gaming console. Existing equipment: Yes, I already have a mount/stand, No, help me select a mount/stand. Type of mount: As recommended by professional.