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Mouth simulator

CRY605 Mouth simulator

CRY605 Mouth simulator

CRY605 Mouth Simulator is used to simulate the sound source of the sound field near the mouth of a person, and is suitable for the acoustic parameters testing of telephone transmitters and microphones, such as frequency response and distortion. It meets the requirements of the international standards IEEE 269 and IEEE 661 and the requirement for "mouth reference point" for transmitting acoustic signals in ITU-T P51.

Technical specifications ：

Min. continuous output SPL	200 Hz - 10 kHz: 110 dB (@ 25mm MRP) 100 Hz - 10 kHz: 100 dB (@ 25mm MRP)
Distortion	200 Hz - 10 kHz: ＜1.5%, generally ＜1% (94 dB SPL @ 25 mm MRP)
Frequency response curve	Output sound pressure after compensation: 94 dB ±1 dB (100 Hz - 10 kHz)
Sound aperture	Ø20mm
Lip ring	O.D.: Ø 51 mm Height: 25 mm
Diameter	Ø100mm
Height	88mm
Net weight	1.3kg
Interface	BNC
Max. input signal	1Vrms
Power supply of built-in power amplifier	15VDC
Gain of built-in power amplifier	20dB
Power of built-in power amplifier	20W

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CRY600 series mouth simulator is used to simulate the sound source of the sound field near the mouth of the human. It is suitable for the test of the acoustic parameters of telephone microphones and microphones used in voice communication.