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IAC Acoustics 40a Series Single Wall Audiometric Rooms - 2 Pages

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Catalogue excerpts

UK-P1-MED-0228-201410-02 IAC Acoustics IAC House, Moorside Road, Winchester Hampshire, SO23 7US, United Kingdom T: +44 (0) 1962 873 000 www.iac-acoustics.com Single Wall Audiometric Rooms Internal Dimensions (mm) Room Height Weight (kg) Examination Room Room Details The IAC 40a series is a range of single-walled booths for individual or multiple occupancy. Door Opening: 838mm wide x 1857mm high Window Clear View: 750mm wide x 600mm high Ventilation: Models 40a-1 and 40a-2 have a ventilation system built into the roof panel. For Models 40a-3 to 40a-6 a further 370mm should be added to the height, width or depth of the booth, depending on the preferred location of the ventilation system Noise Reduction & Sound Absorption Octave Band Centre Frequency (Hz) 125 Noise Reduction (dB) for Single Wall Booths Sound Absorption Coefficient Sound Absorption: The composite sheet metal and sound absorbing assembly shall have a sound absorption coefficient based on laboratory tests in accordance with ASTM C423-77 as shown in the table below. 120.0 Double Wall Single Wall Noise-reduction measurements shall be made in accordance with the following ASTM Designations: E596 and, where applicable, portions of E90 and E336. * Defined as the measured difference between the sound pressure levels in a reverberant room, outside the booth and inside the booth. Octave Band Center Frequency, Hz. making the world a quieter place Uncontrolled copy when printed Noise Reduction*: The minimum allowable noise reduction of completely assembled rooms, as tested in accordance with ASTM Standards in a recognised independent and approved laboratory, as shown in the table below.

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UK-P1-MED-0228-201410-02 IAC Acoustics IAC House, Moorside Road, Winchester Hampshire, SO23 7US, United Kingdom T: +44 (0) 1962 873 000 www.iac-acoustics.com IAC Acoustics 40a Series Specification Roof & Wall Construction Roofs and walls are constructed from standard IAC Noise-Lock® 2 acoustic panels, 102mm thick. Average weights are no less than 50kg/m2. Floor Construction IAC Acousti-flote™ floors shall be 50mm high and structurally reinforced. All floors are carpeted. Average weights are no less than 90kg/m2. Floors float on properly loaded vibration isolators rated for a natural frequency...

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