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Type 4157 Ear Simulator with accessories

Simulateur d'oreille (coupleur CEI 60318-4) - 4157

Ear Simulator Type 4157 with microphone and preamplifier is designed for measurements on earphones coupled to the ear by ear inserts such as tubes or ear moulds or eartips

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TYPE 4157 - Ear Simulator (IEC 60318-4 Coupler)

The Ear Simulator Type 4157 closely reproduces the acoustical parameters of the human ear, presenting the insert earphone under test with an impedance approximating that of the real human ear.

USE SCENARIOS

Frequency response, sensitivity and distortion measurements on insert earphones, e.g. used in hearing aids, operator headsets, etc.
Servicing of hearing aids
Production testing of earphones

Code	Nom
-4157---	Oreille artificielle avec coupleur IEC 6
-4157--PTO-	Oreille artificielle
-4157-B--	Ear Simulator (IEC 60 711 coupler) w/ TE
-4157-X--	NE PAS UTILISER

Product Data - Ear Simulator Type 4157 (bp0262)	Data Sheets	English
- Ear Simulator Type 4157	Manuel	English

List of accessories available for all variants of this family

Product Code	Description
-4228--PTO-	Pistonphone
-4231---	Calibreur acoustique de classe 1 (94 et

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