Type 43AF
Type 43AF
The Artificial Ear Type 43AF is a complete test jig for acoustically testing telephone handsets and earphones and complies with ANSI S 3.7 – 1995 – American National Standard for Testing Earphones.
The Type 43AF comprises:
- NBS 9-A Coupler RA0075
- Thread Adapter RA0076
- 1" Pressure Microphone Type 40EN (in 64 AA configuration)
- ¼" Preamplifier Type 26AC
- Type RA0052 Test Jig
The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.
For relevant specifications see RA0075
