Anechoic Chambers for Education and Research | IAC Acoustics UK
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Research Hemi-Anechoic Chamber

Hemi-Anechoic Chambers

IAC Acoustics has installed hundreds of hemi-anechoic facilities to universities, research laboratories and test houses. Our range of single and double wall construction rooms allow for high precision measurements to be carried out in a hemi-anechoic environment. Typical uses include testing microphones, hearing protection devices and hi-fi equipment. The hard, or non-acoustically absorbent floor is typically used when larger, heavier items are to be tested where a fully anechoic facility would be impractical, or when the normal mode of operation is over a reflective plane such as a floor or hard road surface.

High precision hemi-anechoic chambers from IAC Acoustics offer the same build specification as our range of fully anechoic chambers, except with a hard, isolated floating floor, rather than one lined with anechoic wedges.

Standard Features

  • Microdyne® hemi-anechoic rooms come with the following standard features:
  • Anechoic wedges (foam, fibreglass or IAC Metadyne®) with the required low-frequency cut-offs
  • Double or single wall and ceiling construction
  • IAC Acoustics standard ventilation system coupled to the building supply
  • Lighting (interior) minimally acoustically reflective
  • Tubular cable ports
  • Interior non-reflective cable floor system above the floor wedges with a nylon catch net below
  • IAC Acousti-flote™ floor system with vibration isolators
  • One IAC Noise-lock® wedge acoustic door


  • Additional or larger Noise-lock® acoustic doors
  • Access panels for equipment and test openings
  • Double Acousti-flote™ floor for Schedule 60 anechoic rooms
  • Air mounts, springs or other types of vibration isolators
  • Independent ventilation system
  • RF shielding

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