Electroacoustic Test Accessories

Ear simulators, mouth simulators and pinna for electroacoustic testing compliant with IEC and ITU-T standards.

Ear Simulator/Coupler

Photo	Model	Key Specifications
	ZT-319 Ear simulator/coupler	2 cc coupled cavity, resonant frequency = 22.4 kHz. Compliance with IEC 60318-5:2006 and ANSI S3.7:2008	Details
	ZT-318 Ear simulator/coupler	Compliant with IEC 60318-1:2009 and ITU-T Rec. P.57 (2011) Type 1 artificial ear	Details
	ZT-711 Ear simulator/coupler	Compliant IEC 60318-4:2010 Occluded-ear simulator. Compliance with ITU-T Rec. P.57 (2011) Type 2	Details

Mouth Simulator

Photo	Model	Key Specifications
	ZT-602 Mouth simulator	Simulates the sound source of the sound field near the mouth of a person, suitable for acoustic parameters testing of telephone transmitters and microphones	Details
	ZT-609 Mouth simulator	Simulates the sound source of the sound field near the mouth, suitable for acoustic parameters testing of telephone transmitters and microphones	Details

Pinna

Photo	Model	Key Specifications
	ZT-712 High-leak pinna for ear simulator	Compliance with ITU-T Rec. P.57 (2011) Type 3.2 Simplified pinna simulator	Details
	ZT-713 Low-Leak Pinna for Ear Simulator	Compliance with ITU-T Rec. P.57 (2011) Type 3.2 Simplified pinna simulator	Details