[For automobile parts manufacturers] Large anechoic box
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AEB
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Large anechoic box for measuring automotive parts
Outer size | W1950 x L1950 x H1950 |
Internal size | W1500 x L1550 x H1500 |
Options | Microphone clamp, pole, mesh table |
It is for overseas export. It is larger than a person’s height.
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Guaranteed sound insulation performance value / actual sound insulation level value
Hz | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
---|---|---|---|---|---|---|---|---|
Guaranteed sound insulation performance value(dB) | (34) | 39 | 43 | 51 | 55 | 63 | 64 | 62 |
Actual sound insulation level value(dB) | 37.7 | 40.1 | 48.7 | 60.6 | 66.7 | 77.0 | 74.9 | 77.5 |