The "lighting box" on the mezzanine edge houses a projector. its safe. about seating, there aren't random "lighting boxes" in the middle of the house. no broadway show would do that. it isn't a concert. you may sit next to one, but not behind. see photo.
Those are projectors for Sven Ortel's projections. Each probably looks a bit like this projector.
VIDEO: SNL Offers 'Condensed Version' of THE SOUND OF MUSIC LIVE!
GRAVITY & HER Tie for 'Best Picture' at Los Angeles Film Critics Awards; Full List of Winners!
Stephanie March and Law & Order:SVU Makeup Artist Open Makeup Salon
Top Tracks & Albums: Pentatonix's PTXMAS Tops iTunes Album Chart, Week Ending 12/8
Apple to Start Using iBeacon Inside Stores
STAGE TUBE: Sneak Peek at EUGENE ONEGIN at The Met
BWW Reviews: Soledad Barrio and Noche Flamenca Excite Audiences at the Joyce
BWW Interviews: Boston Pops and Keith Lockhart Bring Christmas Cheer