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- Acoustic Anechoic Chamber
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Acoustic Anechoic Chamber

Outline

The chamber can be used to perform loudness test for electromagnetical parts as well as electrical motors, and measurement of speaker sound characteristic.

Entrance view of the chamber

Chamber floor view

Chamber's wall and ceiling view

Dimensions

4.0 x 4.6 x 2.4 m (including wall padding)

Maker

Wakabayashi Onkyo

Frequency Characteristics

Cut-off Frequency: 125Hz

Natural Frequency: 6.5Hz

Inverse Square rule: +/-1.5dB (125Hz-10kHz),

Soundproof capacity: 125Hz: 35dB / 500Hz: 53dB / 2kHz: 62dB / 8kHz: 60dB

Background Noise Level:

Without fan: smaller than 18dBA

With fan : smaller than 26dBA