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Barbee Boys makes appearance with Martin Audio

Barbee Boys makes appearance with Martin Audio

Barbee Boys makes appearance with Martin Audio


The Barbee Boys, a five-person Japanese rock band that disbanded in 1992, returned for a solo concert at the Yoyogi National Stadium 1st Gymnasium in Tokyo. MSI Japan was asked to provide the sound production and MSI's Bun Hote, the event's front of house engineer, designed the audio system with the use of Martin Audio’s loudspeakers.

MLA and MLD Martin Audio loudspeaker cabinets
MLA and MLD Martin Audio loudspeaker cabinets

Three arrays were hung on each side of the stage from a single H-shaped truss tower, which faced different directions. The main array consisted of 13 Multi-cellular Loudspeaker Array (MLA) cabinets and a Multi-cellular Loudspeaker (MLD) down-fill cabinet, while the side array used nine MLA and an MLD, which pointed 45° outside of the main array. Five MLAs and two MLD down-fill boxes were used to form another array aimed 90° outside of the main array. From the same tower, an array of six MLX subwoofers were set up. An additional line of subwoofers was stacked at the front of the stage next to the rigged subwoofers and eight MLX subwoofers were aligned horizontally, with four MLXs stacked separately on the subwoofer line aimed behind in a cardioid broadside subwoofer array arc.

‘First of all, starting at midnight when the load-out of the last show had finished, we had little time for set up,’ said Hote. ‘The H-shaped tower was reused from the previous show, just changing the location of the motor. In Yoyogi National 1st Gymnasium, it is necessary to build standalone towers from the ground, as the roof weight is strictly regulated. After considering those factors, this location plan seemed to be the best. Instead, there were more audience seats in the direction that the side arrays would be pointing. With so many people expected, the production teams decided they would also keep the audience area for the side of the stage. However, we were unable to shift the side arrays too much as this would contribute to the wide area of the seating where the main arrays could not aim, avoiding reflection from the back wall. As a result, we needed one more array to cover the area just beside the stage.’

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