IAC Acoustics 40a Series Single Wall Audiometric Rooms

Product catalog summary

Overview: The IAC Acoustics 40a Series comprises single-wall audiometric rooms designed for individual or multiple occupancy. These rooms are engineered to provide significant noise reduction and sound absorption, making them ideal for audiometric testing and other sound-sensitive applications.

Specifications:

Dimensions: The series includes various models with internal dimensions ranging from 1066mm x 864mm x 1995mm to 3200mm x 2997mm x 1995mm. External dimensions are slightly larger to accommodate the structure.
Construction: Rooms are constructed using IAC Noise-Lock® 2 acoustic panels, 102mm thick, with an average weight of no less than 50kg/m². Floors are reinforced, carpeted, and float on vibration isolators to minimize structural noise.
Doors and Windows: Doors are flush fitting with magnetic seals and cam lift hinges, providing a clear opening of 838mm x 1857mm. Windows are double glazed, measuring 750mm x 600mm.
Ventilation: Built-in ventilation systems are included, with additional space required for installation depending on the model.

Noise Reduction & Sound Absorption:

Noise Reduction: The rooms offer noise reduction levels ranging from 25dB to 62dB across various frequencies, tested according to ASTM standards.
Sound Absorption: The sound absorption coefficient varies from 0.37 to 1.00, depending on the frequency.

Additional Features:

Electrical: Rooms are equipped with lighting and ventilation controls, operating at 240 volts, 50Hz.
Finish: All booths are finished with a polyester powder coat in RAL 9002 (grey/white) and feature anti-static carpet flooring.
Optional Extras: Options include acoustic double glazed vision panels, emergency light packs, internal power sockets, RF and electrostatic shielding, and more.

Conclusion: The IAC 40a Series audiometric rooms are designed to provide optimal acoustic performance with customizable options to meet specific needs, ensuring a quieter environment for precise audiometric assessments.

Catalog excerpts

IAC Acoustics 40a Series Single Wall Audiometric Rooms-1

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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IAC Acoustics 40a Series Single Wall Audiometric Rooms-2

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...

Open the catalog to page 2