Artificial ear 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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