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CINEMA SOUND SYSTEM MANUAL

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2 JBL 2003 Cinema Sound System Manual Table of Contents: I. Introduction ... Wiring Diagrams for 3000 Series Screen Systems ...

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CINEMA SOUND SYSTEM MANUAL 2 JBL 2003 Cinema Sound System Manual Table of Contents: I. Introduction . 3 II. Basic Systems Concepts . 3 A. Analog Film Formats . 3 B. Digital Film Formats . 5 C. A- and B- Chains . 5 D. Evolving Dynamic Range Requirements in the Cinema . 7 E. Integration of Loudspeakers into the Acoustical Environment . 7 F. Power Response and Power-flat Systems . 7 G. Coverage Requirements for Proper Stereo Reproduction . 8 III. Acoustical Considerations . 10 A. Noise Criterion (NC) Requirements . 10 B. Control of Reverberation and Discrete Reflections . 11 C. The Role of the Acoustical Consultant . 12 IV. Specifying the Correct Loudspeakers and Amplifiers . 12 A. Hardware Class vs. Room Size . 12 B. Cinema Playback Level Calibration . 14 C. JBL Driver Developments . 14 D. Mechanical Details of JBL Screen Channel Loudspeakers . 17 E. Subwoofers . 17 F. Surround Requirements . 18 G. Screen Losses . 19 H. JBL ScreenArray® Loudspeaker Systems . 19 V.           Mounting Requirements . 21 A. General Comments . 21 B. Screen Loudspeaker Aiming . 22 C. Subwoofer Mounting . 22 D. Surround Mounting . 22 VI.          Electrical Interface  . 23 A. JBL Polarity Conventions . 23 B. Wiring Diagrams for 3000 Series Screen Systems . 24 C. Wiring Diagrams for 4000 Series Screen Systems . 24 D. Wiring Diagrams for 5000 Series Screen Systems . 25 E. Wiring Diagrams for ScreenArray Systems . 26 F. Surround Wiring Diagrams . 27 G. Subwoofers . 29 H. Wire Gauges and Line Losses . 29 I. System Setup and Checkout . 29 VII. Summary of Recommendations for Selecting and Installing                               Theate r Loudspe ...

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