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Noise Sources

Noise Sources

Norsonic 275

Hemi-Dodecahedron Loudspeaker

A powerful sound source designed for building acoustics measurements per ISO-140/4 Annex A (Field measurements). The source provides uniform sound radiation.

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Norsonic 276

Dodecahedron Loudspeaker

The Nor276 is a high power loudspeaker with omni-directional characteristics. The Nor276 has been designed for continuous operation for more than one hour at full power.

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Norsonic 277

Tapping Machine

For making footfall noise transmission measurements in buildings as set out in International and National Standards.

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Norsonic 278

Reference sound source for Sound Power measurements

The rugged and compact design makes it well suited for both laboratory and field use. The design ensures a stable and uniform sound power output with unique long-term stability.

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Norsonic 279

Impact ball

To be used as the “Rubber Ball “ alternative to the Tapping Machine Excitation method in accordance with the ISO 16283-2 Appendix A.2 and the ISO 10140-5 Appendix F.2.

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Norsonic 280

Power Amplifier

Our aim is to take the latest technology available to help our customers complete their measurements faster but without loss of precision.

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Small Tapping Machine

The small tapping machine system Gösele is a seismic source, which is based on the periodic impact of a moving mass.

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