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Dushanbe Central Mosque elevates worship with Harman

Dushanbe Central Mosque elevates worship with Harman

Dushanbe Central Mosque elevates worship with Harman


Constructed over 10 years ago, Dushanbe Central Mosque is the largest mosque in Tajikistan and one of the largest in central Asia. To provide clear, intelligible sound reinforcement for worship and events, the mosque turned to A&T Trade to design and install a Harman Professional networked audio system featuring 170 JBL Intellivox loudspeakers powered by AXYS, BSS and Soundcraft solutions.

The HOW and surrounding areas boast a maximum capacity of 120,000 for large events, with the mosque itself able to accommodate around 25,000. The complex features several prayer halls, a library, a museum, an outdoor courtyard and four minarets towering nearly 76m high. “The mosque challenged us to calculate all of the performance parameters for the acoustical system to ensure it could achieve the desired speech intelligibility and SPL levels,” said Janis Zaneribs, project manager, A&T Trade. “Once we proved it would, they gave us the green light for the project. As for the sound, our goal was to go above and beyond and give them the best possible speech intelligibility in this type of building with such specific conditions.”

DS115 and DSX500 loudspeakers serve the two main prayer halls, while DS180, DS280 and DS380 models serve the smaller prayer halls and two floors of galleries. In the outdoor courtyard, A&T Trade modified the IP55-rated HP-DS370 and HP-DS170 loudspeakers by removing the electronics and placing them inside the building to protect them from the heat. JBL CSS-15VA loudspeakers provide supplemental coverage for announcements.

“I don’t know any other loudspeaker that lets you guide its directivity as tightly as the Intellivox,” Zaneribs added. “You can direct the sound exactly where you need it. The fact that you can adjust the delay on the loudspeaker itself was a life-saver in this project, because the mosque’s structure created a very complicated delay matrix. With Intellivox, we were able to create a uniform sound that was consistent as you walked through the halls. I can’t imagine any other loudspeaker being able to do this job.”

To power and control the system, A&T Trade equipped the complex with BSS Soundweb London signal processors, AXYS and Crown amplifiers, and a Soundcraft mixer. The early decision to use a Dante networked audio distribution system was a key driver in the product selection. AXYS IndustryAmp PB-800-DN and Crown DCi Series amplifiers provide pristine sound and plenty of power for the system with Dante connectivity for seamless control. BSS Soundweb London BLU-806DA signal processors provide a high-bandwidth, fault-tolerant digital audio bus that allows for advanced matrixing and routing capabilities via an easy-to-use interface. To ensure high-quality sound reinforcement in the main prayer hall, A&T Trade supplied a Soundcraft Si Impact mixing console. An AXYS WinControl server provides central supervision and control of the entire network.

“From the very start, we knew that this system would be extraordinary,” Zaneribs continued. “We used Harman Professional’s top-of-the-line products because they provide exceptional speech intelligibility and background sound reinforcement, even in difficult acoustic conditions. We were constantly pushing ourselves forward, and the JBL Intellivox loudspeakers helped us hit all of our targets. This is the largest showcase of Intellivox products that I know of.”

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