Type 43AB

Type 43AB
The Artificial Ear Type 43AB is a complete test-jig for acoustical measurements on hearing aids.

The Type 43AB comprises:
  • IEC 126 2-cm³ Coupler RA0038
  • ½" Pressure Microphone Type 40AG
  • ¼" Preamplifier Type 26AC
  • Test Jig RA0052

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

For relevant specifications see RA0038
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