Beneath the stage is a rehearsal/dressing room and behind the stage contains the part of the Sound system and access stairs to the technical aspects of the lighting system.
operating system | The Sound of Music | Super Nintendo Entertainment System | Nintendo Entertainment System | Android (operating system) | sound recording and reproduction | Puget Sound | Global Positioning System | Solar System | X Window System | Korean Broadcasting System | System of a Down | Domain Name System | Long Island Sound | Seoul Broadcasting System | North Carolina Community College System | sound film | sound | Mutual Broadcasting System | Bulletin board system | system | McMurdo Sound | Turner Broadcasting System | Program and System Information Protocol | Geographic information system | Ubuntu (operating system) | Tokyo Broadcasting System | Ministry of Sound | Federal Reserve System | Youth system |
Gain before feedback, a measure of sound reinforcement system performance