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Sales of soundproof boxes

sound box without resonance

To measure acoustics, such as understanding operational sounds during product development and conducting abnormal noise inspections, it starts with creating an environment that is not affected by disturbances. While it is easy to focus on blocking sounds other than the target object (sound insulation performance) to build a quiet environment, when using a soundproof box, it is also necessary to pay attention to reducing the impact of reflected sounds generated inside the box (sound absorption performance), not just sound insulation performance. In addition to these, by considering the frequency characteristics of the sound radiated from the target object and the vibrations of the installation location that affect background noise, it is possible to create an environment where measurements can be conducted with confidence. Both sound insulation performance and sound absorption performance have a significant impact on measurement values, which is why we have prepared two types of soundproof boxes for each.

※The photo is for illustration purposes. It may differ from the actual product.

  • Silent Box No.1
  • Anechoic Chamber No.2

We offer a lineup of a total of 12 types of soundproof boxes with different sound insulation and sound absorption performances.

  Measured frequency (1/1 octave band center frequency)
Above 1000 (1k) Hz range Above 500 Hz (5h) bandwidth
Type Wall thickness
(mm)
External dimensions
(mm)
Internal dimensions of the box
(mm)
Mass
(kg)
Type Wall
thickness
(mm)
External dimensions
(mm)
Internal dimensions of the box
(mm)
Mass
(kg)
Sound insulation performance
Equivalent to D-30
1k30S 165 830 x 830 x 860 500 x 500 x 530 200 5 hours and 30 minutes 265 1030 times 1030 times 1060 500 x 500 x 530 280
1,000 and 30 million 165 1080 x 1080 x 1110 750 x 750 x 780 320 5 hours and 30 minutes 265 1280 x 1280 x 1310 750 x 750 x 780 440
1k30L 165 1330 x 1330 x 1360 1000 × 1000 × 1030 460 5 hours and 30 minutes 265 1530 x 1530 x 1560 1000 × 1000 × 1030 620
Sound insulation performance
Equivalent to D-45
1k45S 265 1030 times 1030 times 1060 500 x 500 x 530 400 5 hours and 45 minutes 365 1230 × 1230 × 1260 500 x 500 x 530 560
1k45M 265 1280 x 1280 x 1310 750 x 750 x 780 600 5 hours and 45 minutes 365 1480 x 1480 x 1510 750 x 750 x 780 820
1k45L 265 1530 x 1530 x 1560 1000 × 1000 × 1030 880 5h45L 365 1730 × 1730 × 1760 1000 × 1000 × 1030 1100