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CGI delivers audio upgrades to the world’s largest rugby stadium

Clair Global Integration (CGI) has been chosen to future proof Twickenham Stadium’s new bowl installation using the JBL Professional VLA loudspeaker range. CGI was called upon to design and install a brand-new bowl sound system installation for the historic 82,000-capacity British sports venue, which is owned by the Rugby Football Union (RFU), England’s national rugby governing body.

Designed by CGI’s UK Director Eddie Thomas and Associate Director Tom Williams, the project was delivered by Jake Miller, Steve Watson, and John Hardy. Starting with the original groundwork designed by environmental and technology consultants Vanguardia, a Buro Happold brand, CGI built upon this initial delivery phase by installing 16-line arrays flown from the stadium roof.

“Each hang comprises twelve JBL VLA-C2100 dual 10-inch cabinets and three JBL VLA-C125 flown sub-bass loudspeakers”, explains Tom Williams. “The JBL VLA-C speakers use components shared with the JBL Pro VTX range for maximum sonic quality.” 336 JBL AWC-Series speakers have been used for the under-balcony areas on levels three and four, amplified by Crown DCi8600N. Crown DCi-N amplifiers were utilized throughout the entirety of the system, with DCi42400N used for the main arrays and subs.

There are six-amp rack locations on the roof and over fifty amplifiers in total. Two Q-Sys Core 510i integrated audio processors have been used in a redundant configuration with IO Frames in each amp rack. This system is capable of LAeq of 105 dBA. CGI has also installed a diversely routed and fire-resistant fiber network backbone. It provides essential infrastructure and is “Sports Ground Safety Authority Green Guide” approved, the UK Government-funded guidance on spectator safety at sports grounds.

“This iconic venue has welcomed many Clair Global touring artists in the past including Lady Gaga, The Rolling Stones, Rihanna, and recently Depeche Mode”, says Williams. “The new audio system now allows tours to save on additional rental equipment costs while becoming a summer destination of choice for booking agents.” Mark Lynch, RFU Executive Director, adds: “The fan experience is becoming more and more important and creating that fan experience through audio is key. It goes beyond rugby; we hold concerts, conferences, and events here.”

(Photos: Ellie Mitchell Photography)

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