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:·Electroacoustic Devices |
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AC-3 - Universal Test Head
AC-3 Universal Test Head is composed by AC-3002 Ear simulator and AC-3003 Mouth simulator. The Amplifier unit AC-3005 contains an equalization chain for the Artificial Ear, a power amplifier for the Artificial Mouth besides an EEPROM memory for the calibration data.
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A new accessory, AJ038 - "Ear orifice reducer", is very useful to reduce the diameter of standard Ears - IEC R318 for Loudness Rating measurements. The acoustic impedance will be unchanged. It couples correctly little receivers of GSM, cordless and little handsets. |
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AC-3VV - Hands-free Artificial Test Head
Meets the ITU P-34 Recommendations.
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If installed under FLNG, it measures the magnetic field
around the handset earcap. The magnetic field couples the hearing aid with the
receiving signal. It performs a rapid and effective measuring method which can be directly
compared with the manual method recommended by ITU P-37.
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PH-18 Precision Sound Level Meter is used to evaluate the acoustic level of ringers or buzzers. It is available in three different types: PH-18.1
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An
interchangeable adapter ring, FLNG, is machined to fit
different handset caps. It is absolutely advisable to use it, in order to
assure a correct and repetitive telephone positioning, therefore
repetitive measures.
AJ038 -
Ear orifice reducer
This structure is used for
measuring telephone terminals equipped with hand-free functions. 
