Alpha cabin

We supply a standard product for the measurement of the Alpha Sabine-type absorption coefficient according to test methods RNES-D-20001 and D49-1977.

Several laboratories equipped with the CTTM cabin are certified by Renault for measurement of the diffuse field absorption coefficient (Renault accreditation of skills RNES-D-20001).

Its technical characteristics are:

  • double skin
  • dimensions (w x l x h): 2.7 m x 2.5 m x 2,6 m
  • internal volume: 6.44 m3
  • mass: approx. 2 t
  • frequency ranges: 200 Hz – 10 kHz




Alpha Cabin - measures according to manufacturers' standards RN ES-D-20001 and D49-1977

Data sheet