Sound chamber


Sound intensity measurements to determine sound power levels in accordance with ISO 9614 or sound location are also carried out under these conditions in addition to sound power level measurements in accordance with ISO 3744 to 3746.


Speeds, vibrations, electrical measurements etc. are recorded at the same time in addition to sound pressures, depending on the requirements. All of the measuring systems used are mobile and can also be used for on-site measurements if required.


The sound chamber can be rented for use with your own measuring systems.



Move the cursor over the image and find out more about the test setup shown.



At a glance

Measuring technology

  • 12 channel Orchestra measuring system
  • 10 microphones (class 1)
  • Sound intensity probe
  • 300 W hemispherical loudspeakers
  • Various vibration sensors
  • Two laser speed sensors

Test chamber

Semi-anechoic room, certified in accordance with ISO 3745

Usable size

8.4 x 6.4 x 5.2 m (L x W x H)


approx. 450 t, spring mounted

Door size

4,5 x 4,0 m


  • As a raised floor (can also be removed), height 0.8 m
  • Thickness of wedges 45 cm
  • Insulation 40 cm

Frequency range

100 Hz to 12.5 kHz

Sound power level

in accordance with DIN EN ISO 3744, 3745, 3746, ISO 9614 1-3

Background sound pressure level

Guaranteed background sound pressure level 15 dB(A)



Photo gallery

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