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Yokohama Stadium to host Summer Games baseball with new RCF system

Yokohama Stadium to host Summer Games baseball with new RCF system

Yokohama Stadium to host Summer Games baseball with new RCF system


An RCF system for sports and entertainment events has been installed into the Yokohama Stadium, one of the venues for the postponed 2020 Summer Olympics. The stadium, one of the most important sports facilities in Japan, is the largest venue in the Kantō region and is primarily used for baseball as the home field of the Yokohama DeNA BayStars. International artists to have performed at the stadium include Santana, David Bowie, Madonna and Michael Jackson.

Yokohama Stadium started life in 1876 as a cricket ground before being reconstructed in 1929 as a 15,000-seat baseball stadium. In 1978 it was rebuilt as the first multi-purpose stadium in Japan and officially renamed Yokohama Stadium. After a complete renovation began in 2018, Yokohama Stadium was selected as a venue for the 2020 Tokyo Olympics and Paralympics, which was then postponed to the following year to due to the Covid-19 pandemic. With the number of seats increasing to just over 34,000, the stadium is now the official venue of the Summer Games baseball competitions, with the sport featured for the first time since 2008. 

The RCF installation serves as a PAGA (public address and general alarm) system. Two arrays of four TTL 33-WP speakers have been mounted on six poles around the stadium, giving a total of 48 speakers. Fly bars are fixed to custom-built titanium brackets. To cover the expanded seating on each side, four P4228s have been installed on the top edge of the left wing, with five additional units on the right wing. Additionally, nine P3108s and a P4228 serve as under-balcony fills to cover the seats behind the plate. Lastly, one P2110-T and a P8015-S are cover the dugout.

“In the renovation of Yokohama Stadium, our mission was to achieve both excellent quality for entertainment as a ballpark and clarity as a broadcasting facility,” explained Taketoshi Kobayashi, lead engineer of RCF’s Japanese distributor, Onkyo Tokki. “The TTL 33-WP and other RCF loudspeakers were essential to maintain clarity of sound without losing the volume at the lower end of the spectrum, contrary to the situation where the volume in the low frequency is lost due to prioritising clarity, which is often seen in outdoor facilities. I was impressed by RCF’s intelligibility. The system is perfect for the size and shape of the facility with its skillful design, easy tuning of the speaker, orientation, and level balance. In particular, sound from the opposite side of the field is well controlled; this also contributes to the improvement of clarity and sound quality.

“The support of the RCF team during the process was excellent. Quick response to changes in rigging points and model selection was an essential factor in the success of this project.”

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