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Artificial Ear&Mouth
The 43 series of the simulation of ear
From the terms of the acoustics, artificial ear is a complex structure with volume, channel and damping to produce complex acoustic impedance. In addition, at high frequencies, ear change sound diffraction around the field to form a special response to the inner ear. In order to compare or quantify associated with the artificial ear test, a series of international standards and recommended defines the "ideal" and ordinary ears. We can by mechanical or acoustic system to approximate characteristics of the ear.
Function IntroductionTechnical ParametersConfiguration Checklist
IEC60318 standard 43AA-type human ear simulator

43AA type of components:
RA0039 type IEC318 ear simulator,
40AG type 1/2 "Pressure field Microphone
26AC type 1/4 "preamplifier
RA0052 type measuring mold,
For ear style headphones and ear style headphones fixed disk.
There is an adjustable spring-loaded, so as to apply variable pressure to the measured target on the measuring fixture.
43AB type artificial ear and IEC60126 coupler

43AB type of components:
RA0038 type IEC60126 standard volume of the coupler,
40AG type 1/2 "Pressure field Microphone
26AC type 1/4 "preamplifier
RA0052 type measuring fixture.
There is an adjustable spring-loaded fixture on the measure to bolt 43AB model also includes fixed and insert ear measurements.
Variable pressure is applied to the measured target.
43AC-type artificial ear and IEC60711 Standard Coupler

43AC type of components:
RA0045 type IEC60711 standard ear simulator,
40AG type 1/2 "Pressure field Microphone
26AC type 1/4 "preamplifier
RA0052 type measuring fixture.
There is an adjustable spring-loaded, so as to apply variable pressure to the measured target on the measuring fixture.
43AD type artificial ear and IEC60318 coupler

43AD type of components:
RA0039 type IEC60318 standard ear simulator,
40AG type 1/2 "Pressure field Microphone
26AK type 1/2 "preamplifier
GR0032 and GR0336 automatic coupler,
For ear style headphones and ear style headphones fixed disk.
43AE IEC 60711 artificial ear
For on-ear headphones, telephone handle and speaker tests. Compliance with ITU-T Recommendation P.57 (08/96) specification. It includes the following components:
IEC 60711 coupler (RA0045)
¼ "frac14;" preamplifier (26AC)
¼ "frac14;" - ¼ "frac14;" adapter (RA0001)
Low leakage ear simulator (RA0056)
High leakage ear simulator (RA0057)
43AF type artificial ear and NBS coupler

43AF type of components:
RA0075 type NBS9-A coupler,
RA0076 type thread adapter,
40EN type 1 "pressure-field microphone (press 64AA configuration)
26AC type 1/4 "preamplifier
RA0052 type test fixture.
43AF telephone and stereo headphones determined by standard ANSI S 3.7 1995 American National Standard for Testing Earphones.
 IEC60318 standard 43AA-type human ear simulator

Configuration content
Number
43 series of simulation ear
1

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