Technical Column
PACs（Portable Anechoic Chambers）
May 23, 2025
- HBK × SONORA Acoustic Measurement Solution Official Website
- Technical Column
- PACs（Portable Anechoic Chambers）
Simplified Performance Testing Using Anechoic Box + Sound Level Meter
PACs (Portable Anechoic Chambers) are compactly designed anechoic rooms or enclosures intended for acoustic measurement and evaluation of relatively small samples such as home appliances, precision components, and drive parts.
The term “Portable” refers to enclosures like anechoic boxes that do not require on-site assembly work and can be easily transported, or to prefab-style small anechoic chambers that are easy to install and relocate.
Compared to large-scale testing rooms, PACs offer lower construction costs and shorter delivery times.
In many cases, they can be moved or relocated without the need for disassembly and reassembly, allowing for flexible responses during internal project transfers or layout changes.
Our PACs provide a compact yet highly controlled measurement environment.
Moreover, we offer full customization based on the user’s workflow, test objects, and measurement methods to best suit individual needs.
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Contact Us
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Moritani Shokai
(Machinery Department No. 2, Tokyo Head Office)
Introduction of the Manufacturer
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Hottinger Bruel & Kjaer
HHBK is a merger of two companies: Brüel & Kjær of Denmark and HBM of Germany.
Brüel & Kjær is one of the world’s leading manufacturers of acoustic and vibration measurement instruments, known as a total measurement chain supplier.Learn more about HBK
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Sonora Technology Co., Ltd.
Sonora Technology is a leading Japanese manufacturer of industrial anechoic chambers and anechoic boxes.
From design and manufacturing to installation and acoustic performance assurance, Sonora provides fully integrated solutions to build complete acoustic measurement environments from the ground up.Learn more about Sonora
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