Type 43AA

Type 43AA
The Artificial Ear Type 43AA is a complete test jig for acoustical measurements on telephone handsets and earphones. It includes an IEC 318 Ear Simulator RA0039 which is individually calibrated according to the ITU-T Recommendation P.57 (08/96) ”Series P: Telephone transmission quality, objective measuring apparatus: artificial ears”.

The Type 43AA comprises:
  • IEC 318 Ear Simulator RA0039
  • ½" Pressure Microphone Type 40AG
  • ¼" Preamplifier Type 26AC
  • Test Jig RA0052
  • Mounting plates for circum-aural and supra-aural headphones

The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.

For relevant specifications see RA0039
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