Catalog

The GRAS 43AF Coupler Kit 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 GRAS 43AF-S1 Artificial Ear 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 GRAS 43AG Ear and Cheek Simulator represents the section of a head most important for realistic reproduction of the acoustic properties of the ear of an average human head. It allows the use of an ITU-T type 3.3 pinna or an Anthropometric Pinna, either with an IEC 60318-4 Ear Simulator, a L..

This GRAS 43AH ear simulator with TEDS consists of the ITU-T Rec. P.57 Type 2 Ear Simulator and Type 3.2 Simplified Low-leak Pinna Simulator and is designed for making ITU-T standardized tests of telephone handsets, receivers and receiver/loudspeaker-modules on the production line...

The GRAS 43AI ear simulator with TEDS consists of the ITU-T Rec. P.57 Type 2 Ear Simulator and Type 3.2 Simplified High-leak Pinna Simulator and is designed for making ITU-T standardized tests of telephone handsets, receivers and receiver/loudspeaker-modules on the production line...

The GRAS 43BA-1 is a 1/4" 0.4cc High frequency coupler for test of hearing aids. It uses a 1/4" microphone and a 1/4" preamplifier with LEMO connection. The 43BA-2 is the equivalent CCP version...

The GRAS 43BA-2 is a 1/4" 0.4cc High frequency coupler for test of hearing aids. It uses a 1/4" microphone and 1/4" preamplifier with CCP connection. The equivalent externally polarized version is GRAS 43BA-1. ..

The GRAS 43BA-3 is a ¼" 0.4cc  high frequency, high sensitivity coupler for test of hearing aids. It uses a ¼” microphone and a ¼" preamplifier with CCP connection...

The 43BB Low-noise Ear Simulator System is for acoustic low noise measurements on insert headphones, especially headphones with active noise cancellation. It is based on the IEC 60318-4 ear simulator standard...

The 43BB-1 Low-noise Ear Simulator System is for acoustic low noise measurements on insert headphones, especially headphones with active noise cancellation. It is based on the IEC 60318-4 ear simulator standard...

GRAS 44AA Mouth Simulator is a sound source that simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.GRAS 44AA is for testing telephone mouthpieces as well as other microphones similarly used in communicat..

GRAS 44AB Mouth Simulator is a sound source that simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.GRAS 44AB is for testing telephone mouthpieces as well as other microphones similarly used in communicat..