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 Denver's IMAX® theater screen: 41/2 stories tall and 61/2 stories wide, or 44-by-66 feet. IMAX® film: 70mm film with 15 perforations. It is the largest film-frame size in use. The IMAX® film is 10 times as large as 35mm film, and three times as large as standard 70mm with five perforations. IMAX® projector: The gigantic projector system equals 384 cubic feet, which is larger than a collection of 21 refrigerators. (The average refrigerator equals 18 cubic feet.) The projector system weighs 3,900 pounds – nearly two tons. The system is designed and built by IMAX® Corporation, Mississauga, Ontario, Canada. The projector handles 330 feet of film per minute. The film moves at 24 frames per second and moves horizontally rather than vertically. The film is wound on magnesium reels that are four feet in diameter. Denver's IMAX® theater sound system: The IMAX® six-channel, high-fidelity motion-picture sound system, with sub-bass, is manufactured by Sonics Associates, Inc. Thirty-eight speakers surround viewers. The sound is produced at a lower frequency, which can literally make shirt sleeves vibrate. Soundtracks for IMAX® productions are produced separately from the film and are played on a state-of-the-art digital disc player. IMAX® theater design: The seating platform is angled 25 degrees to the floor. Heads of viewers are level with knees of spectators one row back. Everyone has an unobstructed view of the screen. The image fills both horizontal and vertical peripheral vision. The image expands vertically and horizontally. Seating capacity in Denver's IMAX® theater: 441 seats
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