Norton Audio scores top marks at Dunman High School

Norton Audio scores top marks at Dunman High School

Published: ASIA

SINGAPORE: Built in 2010, the Performing Arts Centre (PAC) at Dunman High School is an 848-seat venue for hosting a range of academic and private hire events. The school’s 300-member Singapore Chinese Orchestra practices and performs here whilst other booked events including choral, drama and dance activities keep PAC supervisor Jimmy Yeo busy. Having organised and overseen acoustic treatment surrounding the 9m deep by 15m wide stage that can accommodate up to 90 performers, Jimmy Yeo turned his attention to the audio system.

‘The audience, particularly in the under balcony seats, had always been commenting on the inconsistent sound levels,’ Jimmy Yeo revealed. A three cabinet L-R line array solution installed following the construction of the PAC could no longer be serviced and was in need of replacing.

Project engineer Luke Yeo and his team oversaw the installation of a Norton Audio point source system consisting of L-R i1212W dual 12-inch speakers. Wall mounted at a height of 5m, the two speakers provide even coverage to all the downstairs seating not covered by the balcony, in addition to the 274 gallery seats above.

‘The perfect hanging point was obscured by a fire-rated wall and so extended arms had to be fixed into the reinforced concrete through open panels,’ explained Luke Yeo. ‘Cabling was then run in conduits in adjacent hallway ceiling voids to the rear control room and the Yamaha MGP32X analogue console.’

The under balcony seats have been provided with even coverage courtesy of six ceiling-suspended NF8 mono speakers. ‘Being a retro fit, installing these speakers was tricky as we could not create access panels,’ furthered Luke Yeo. ‘We had to sensitively connect speaker points to the ceiling in restricted locations and delicately route the speaker cabling from the lateral walls.’

The speaker system is powered by three Norton Audio ND2 amplifiers and includes internal DSP settings. ‘The i1212W models are very impressive as they provide 90-degrees coverage courtesy of the dual 12-inch coaxial speakers,’ explained Jimmy Yeo. ‘They have been fixed at an angle so as not to exert their energy on the walls and in doing so cover the centre seats as well. They perform down to 40Hz, which is more than low enough for the performances here and so subwoofers weren’t required.’

A further two NF8 speakers have been added to the inventory for use as stage monitors.

www.concept-systems.com.sg
www.dunmanhigh.moe.edu.sg

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