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Anechoic Chambers are echo-free enclosures with a sound energy absorption level of 99% to 100%, or a reflected soundpressure level of 10% or less. The frequency at which the energy absorption drops below 99%, or the pressure reflectionexceeds 10%, is known as the low-frequency cut-off.
product | Anechoic chamber factory custom standard ISO 3745 can get noise 10-30DB anechoic laboratory for acoustic test |
Application |
Used for microphone calibration, electro acoustic instruments and equipment testing, language and auditory acoustic test and research, and determination of the acoustic characteristics of a variety of sound sources (such as acoustic power, frequency, directional) |
Structure |
internal structure by diameter 4 mm or 6 mm bar bending fold welding into shape wedge - shaped reinforced skeleton. |
Size |
400*400*850mm; 400*400*700; 600*600*550 ,According to customer requirements. |
Type |
single wedge,double wedges or customized |
Sound insulation volume |
The background noise elimination 30-20dB , and even less than 20 dB. |