Bruel and Kjaer
The 4152 is a Artificial Ear/ Ear Simulator (6cc coupler) which is a state of the art product manufactured by Bruel & Kjaer. The 4152 has a built in acoustic coupler and a main housing containing the sockets for the connection of a condenser microphone and a base plate with a mechanism for clamping the object being tested. It is designed primarily to enable electroacoustical measurements on insert earphones and headphones to be carried out under well defined acoustical conditions. It is designed to cater to a wide variety of applications and tasks set out by the clients operational needs.