Project Background
To meet the growing demand for cultural and sports activities at the outdoor stadium in Qingshui County, Tianshui City, and to enhance the quality of public sports services, the project team has decided to comprehensively upgrade the venue's public address system. This upgrade will establish a professional audio system suitable for large-scale sporting events, cultural performances, and public gatherings.
Configuration Settings
Based on the stadium's structural and operational requirements, HRA technical team conducted in-depth research and proposed an integrated solution centered on “high fidelity, wide coverage, robust protection, and easy management.”
The main sound reinforcement system employs sixteen SAT210P waterproof dual 10-inch line array speakers. Their precise vertical directivity and powerful sound pressure output deliver long-distance, high-definition audio coverage. Paired with two SUB18S subwoofers, they establish a robust and solid low-frequency foundation.
Eight CSB-121D waterproof 12-inch coaxial speakers are deployed as auxiliary and fill speakers to eliminate coverage blind spots. Two specially configured KT218S waterproof dual 18-inch subwoofers deliver thunderous low-frequency energy for large-scale performances. Four TCEH12M waterproof monitor speakers ensure performers receive precise stage monitoring.
A high-efficiency amplifier matrix comprising 6 CQM-2.12S, 5 CQM-2.15S, and 1 CQM-2.18S stereo power amplifiers delivers pure, abundant drive power throughout the entire system. Three DLM408PLUS digital audio processors perform precise crossover, equalization, delay, and compression management to ensure sound quality.
The main console utilizes one DM32 digital mixing console, featuring an intuitive interface and powerful functionality to meet complex audio mixing demands. The wireless system comprises two sets of LH1000 long-range wireless microphones (with two antenna amplifiers) and one set of UH1804 wireless conference gooseneck microphones (one transmitter supporting four microphones), accommodating both mobile performances and fixed conference scenarios with stable signals and clear audio pickup. A CSB40A is added for monitoring or mobile auxiliary use. Four APS-310 power sequencers enable intelligent sequential power cycling for all equipment, eliminating inrush currents and significantly enhancing system operational safety and equipment longevity.
The entire system design incorporates comprehensive considerations for waterproofing, dustproofing, corrosion resistance, and all-weather operation, establishing an impregnable “sound fortress.”
Project Feedback
After the system was put into operation, it performed exceptionally well during multiple large-scale events. Users commented: “The system fully meets the needs of various events, and the sound quality has received unanimous praise from both the audience and performers.”
The successful implementation of this project not only represents another benchmark achievement for HRA in the professional outdoor audio sector but also serves as a vivid example of technology empowering the upgrade of public cultural and sports facilities. Moving forward, HRA will continue to uphold its philosophy of “Innovative Technology, Artisanal Quality,” leveraging more advanced audio technologies and a comprehensive service system to assist more cities and regions in building high-quality sound transmission platforms. Through professional audio solutions, we will ignite public enthusiasm and jointly compose a new chapter in the flourishing development of cultural and sports endeavors in the new era.
