ETMC Technologies :: G.R.A.S. Sound & Vibration :: Type 43AF - Artificial Ear: Complete test jig for acoustically testing telephone handsets and earphones and complies with ANSI S 3.7 – 1995 – American National Standard for Testing Earphones. Includes an NBS 9-A Coupler RA0075

<H1>No Frames? No Problem!</H1> <p><br>Go to G.R.A.S. Sound & Vibration web site with <A HREF="http://www.gras.dk/00012/00058/00159/00164/">no-frames</A>.</p> <p>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. <p>The Type 43AF comprises: <p> * NBS 9-A Coupler RA0075 <p> * Thread Adapter RA0076 <p> * 1" Pressure Microphone Type 40EN (in 64 AA configuration) <p> * 1/4" Preamplifier Type 26AC <p> * Type RA0052 Test Jig <p>The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.