Ear simulator kits with constant current power (CCP)
Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
IEC: 60318-1 & -2
GRAS 43AA-S2 CCP Ear Simulator Kit According to IEC 60318-1 & -2
The GRAS 43AA-S2 CCP Ear Simulator Kit with TEDSis a complete test jig for acoustical measurements on telephone handsets and earphones. It includes an IEC 60318 Ear Simulator RA0039 which is individually calibrated according to the ITU-T Recommendation P.57 (08/96) ”Series P: Telephone transmission quality, objective measuring apparatus: artificial ears.
Connection: 0 V/CCP
Volume: 1260 @ 500 Hz
Dyn range: 25 dB(A)to 150 dB
ANSI: S3.7
IEC: 60318-4
GRAS 43AC-S1 CCP Ear Simulator Kit According to IEC 60318-4
The GRAS 43AC-S1 CCP Ear Simulator Kit according to IEC 60318-4 with TEDS is a complete test-jig for acoustical measurements on earphones coupled to the ear by inserts such as tubes and ear moulds.
Connection: 0 V/CCP
Volume: 1260 @ 500 Hz
Dyn range: 25 dB(A) to 153 dB
ANSI: S3.7
IEC: 60318-4
GRAS 43AC-S5 High-Frequency Ear Simulator Kit CCP
The GRAS 43AC-S5 Ear Simulator Kit with TEDS is a complete test-jig for high-frequency measurements up to 20 kHz on earphones coupled to the ear by inserts such as tubes and ear moulds.
Connection: 0 V/CCP
Volume: 1260 @ 500 Hz
Dyn range: 44 dB(A) to 166 dB
ANSI: S3.7
IEC: 60318-4
GRAS 43AC-S7 Hi-Res Ear Simulator Kit CCP
The GRAS 43AC-S7 Ear Simulator Kit with TEDS is a complete test-jig for hi-res measurements up to 50 kHz on earphones coupled to the ear by inserts such as tubes and earmolds.
Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
GRAS 43AE-S1 CCP Ear Simulator Kit According to ITU-T Rec. P57 Type 3.2
The GRAS 43AE-S1 Ear Simulator according to ITU-T Rec. P57 Type 3.2, Prepolarized is for acoustically testing supra-aural earphones, telephone handsets and loudspeakers, and complies with the international requirements: ITU-T Recommendation P.57 (08/96) “Serie P: Telephone Transmission quality. Objective measuring apparatus: Artificial ears”.
ANSI: S3.7
IEC: 60318-4
Other specs: Refer to the ear simulator
included in the specific configuration
GRAS 43AG Ear & Cheek Simulator
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 Low-Noise Ear Simulator system, a High-Frequency Ear Simulator or a Hi-Res Ear Simulator.
Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
IEC: 60318-1 & -2
GRAS 43AH CCP Ear Simulator for Production Testing Based on ITU-T Rec. P57 Type 3.2 Low-leak
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.
Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
GRAS 43AI CCP Ear Simulator for Production Testing Based on ITU-T Rec. P57 Type 3.2 High-leak
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.
Connection: CCP
Volume: 0.4cc
IEC: 60318-8
Use: For hearing aid test up to 16 kHz
GRAS 43BA-2 1/4" 0.4cc CCP High Frequency Coupler Kit
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.
Connection: CCP
Volume: 0.4cc
IEC: 60318-8
Use: For hearing aid test up to 16 kHz
Special Feature: <25 dB(A) noise floor
GRAS 43BA-3 1/4" 0.4cc CCP High Frequency Coupler Kit, High Sensitivity
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.