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Statistics ELISABETH MURDOCH HALL Architectural Description Elisabeth Murdoch Hall is a modified shoebox shaped hall based on the classic proportions of the Vienna Musikvereinssaal. The auditorium has a raked stalls level, a single rear balcony and unique, split level side balconies. Acoustic Isolation Description The building site is located adjacent to a busy intersection and tramway. To reduce low-frequency noise, the auditorium is completely isolated from the ground and the surrounding building structure. It is enclosed in a 250mm thick concrete box, which is mounted on 38 large steel spring bearing units. Auditorium FORM Modified shoebox SEATING 1001 seats Stalls 713, Balcony 288 LENGTH 24m Stage edge to rear wall, 28m to rear Balcony wall WIDTH 20m stalls, 16m between side balcony fronts HEIGHT 16m Stalls to ceiling STALLS RAKE 8o WALLS/CEILING Laminated plywood timber panels (40kg/m2) Australian plantation Hoop Pine timber FLOORS Timber Stage STAGE AREA 135m2 WITH STAGE EXTENSION 51m2 (3m deep) STAGE HEIGHT 1000mm DOWNSTAGE WIDTH 17m UPSTAGE WIDTH 14m DEPTH 9m STAGE CEILING HEIGHT Stepped – 6m, 9.5m and 13m STAGE FLOOR CONSTRUCTION Timber Acoustic description ROOM VOLUME 9000m3 VOLUME/SEAT 9m3 REVERBERATION TIME (RT) 1.6 -1.8sec BASS RISE 110-120% EARLY DECAY TIME (EDT) 85-100% RT LATERAL ENERGY FRACTION (LEF) >0.15 in centre of main stalls seating CLARITY (C80) -1.5 < C80< 1.5 LOUDNESS (G) >0 dB STAGE SUPPORT -13, G < -10 |
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