GRAS 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1
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The GRAS 43AD is a complete assembly for acoustical measurements on acoustical transmitters and loudspeakers in accordance with:
- IEC 60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supra-aural earphones, 1998-07
- ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission quality, Objective measuring apparatus: Artificial ears.
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Description
GRAS 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1
The GRAS 43AD is a complete assembly for acoustical measurements on acoustical transmitters and loudspeakers in accordance with:- IEC 60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supra-aural earphones, 1998-07
- ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission quality, Objective measuring apparatus: Artificial ears.
It can be integrated with a telephone test head or permanently installed on a production test line.
The 43AD comprises:
- IEC 318 GRAS RA0039 Ear Simulator
- GRAS 40AG ½" Pressure Microphone
- GRAS 26AK ¼" Preamplifier
- Snap coupling GR0332 and GR0336
- Mounting plates for circum-aural and supra-aural headphones
A prepolarized version is available, GRAS 43AD-S1.
Documents
GRAS 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1
GRAS 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1 datasheetOptions
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GRAS 43AD Ear Simulator Kit According to ITU-T Rec. P57 Type 1
The GRAS 43AD is a complete assembly for acoustical measurements on acoustical transmitters and loudspeakers in accordance with:- IEC 60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supra-aural earphones, 1998-07
- ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission quality, Objective measuring apparatus: Artificial ears.
It can be integrated with a telephone test head or permanently installed on a production test line.
The 43AD comprises:
- IEC 318 GRAS RA0039 Ear Simulator
- GRAS 40AG ½" Pressure Microphone
- GRAS 26AK ¼" Preamplifier
- Snap coupling GR0332 and GR0336
- Mounting plates for circum-aural and supra-aural headphones
A prepolarized version is available, GRAS 43AD-S1.