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Key Features

  • 80 Hz to 20 kHz (Standard Models, Custom Models Available)
  • 1m to 2m Radius Spherical Free Field (Custom Sizes Also Available) Precision-Grade Testing
  • Audio Testing
  • Loudspeaker and Microphone Testing
  • Noise Control and Noise Emission Testing
  • Sound Absorption Testing
  • Transmission Loss Testing
  • Sound Power Testing
  • Production Line Testing
  • Sound Isolation
  • Download PDF Datasheet
  • ETS-Lindgren's Anechoic Chambers provide engineered features that achieve outstanding performance results and goals without compromising acoustical concepts and budgets.

    These anechoic chambers have a high-performance wall panel system that provides the low-noise environment required to test todays low-noise products. A precision-grade free-field environment is a product of the anechoic chamber's sound absorption system that consists of melamine wedges installed on a patented clip system that provides fast wedge installation and removal. Unlike other wedge solutions, melamine wedges provide a bright and fiber-free working environment.

    Product Features
    View the Anechoic Chamberproduct features below

    Frequency Range

    ETS-Lindgren offers a wide range of standard anechoic chambers to meet our client's needs. Standard chamber models have low-frequency cut off points of 80 Hz, 100 Hz, and 160 Hz. Custom chamber designs to meet other performance specifications are available.

    Free-Field Region

    Standard ETS-Lindgren anechoic chambers have free-field regions with a 1 m to 2 m radius. Custom size free-field regions are available.

    Precision-Grade Testing

    ETS-Lindgren's standard anechoic chambers are designed to comply with ISO 3745 and ISO 26101 free-field limits for both broadband and pure tone testing.

    Specifications
    View the Anechoic Chamber technical specifications below

    Physical Specifications

    Model
    Standard Compliance of Free-FieldInterior Dimensions
    Exterior Dimensions
    A160-1.0
    160 Hz to 20 kHz to 1.0 m
    11 ft x 10 ft x 9 ft (3.35 m x 3.05 m x 2.74 m)
    14 ft 4 in x 13 ft 4 in x 12 ft 7 in (4.37 m x 4.06 m x 3.84 m)
    A100-1.0
    100 Hz to 20 kHz to 1.0 m
    14 ft 8 in x 13 ft 4 in x 12 ft 8 in (4.47 m x 4.06 m x 3.86 m)
    19 ft 10 in x 18 ft 6 in x 18 ft 1 in (6.05 m x 5.64 m x 5.51 m)
    A100-1.5
    100 Hz to 20 kHz to 1.5 m
    18 ft x 16 ft 8 in x 16 ft (5.49 m x 5.08 m x 4.88 m)
    23 ft 2 in x 21 ft 10 in x 21 ft 5 in (7.06 m x 6.65 m x 6.53 m)
    A100-2.0
    100 Hz to 20 kHz to 2.0 m
    21 ft 4 in x 20 ft x 19 ft 4 in (6.5 m x 6.10 m x 5.89 m)
    28 ft 6 in x 27 ft 2 in x 26 ft 5 in (8.69 m x 8.28 m x 8.05 m)
    A80-2.0
    80 Hz to 20 kHz to 2.0 m
    21 ft 8 in x 21 ft 4 in x 20 ft 8 in (6.60 m x 6.50 m x 6.30 m)
    27 ft 6 in x 27 ft 2 in x 26 ft 9 in (8.68 m x 8.28 m x 8.15 m)

    Product Configuration

    • Removable Grating Floor with Pedestals or Tensioned Steel Cable Floor
    • Modular Steel Isolated Floor
    • ETS-Lindgren's Patented Wedge Clip System
    • Ventilation Silencers for Fan or HVAC Connections (Wall or Ceiling Mounting Locations)
    • Pendant Lights
    • Acoustically treated cable penetrations 2.54 cm and 5.08 cm (1 in and 2 in). Custom sizes available.
    • Engineered and Designed to Host-Site Ambient Conditions
    • Design based on Performance Data that Conforms with ISO 26101 and ISO 3745 Free-Field Requirements