Name

Ear Simulator

2cm3  Coupler

Ear Simulator

Ear Simulator (6 cc)

Fulfils Standard

IEC 60318-1 (IEC 318-1970)

IEC60318-5 (IEC60126 -1973)

IEC 60711,ITU-T P.57

IEC60318-3 (IEC60303 -1970)

Frequency Range

20Hz～10,000Hz

125 Hz～8,000 Hz

20 Hz～10,000 Hz

100 Hz～8,000 Hz

Frequency Response

≤±1 dB

≤±0.5dB(200Hz～5,000Hz)

≤±1dB(125 Hz～8,000Hz)

≤ ±0.5dB(200Hz～5,000 Hz)

≤±1 dB(20 Hz～10,000 Hz)

≤ ±0.5dB(200Hz～5,000 Hz)

≤±1 dB(100 Hz～8,000 Hz)

Used with Microphone

Model AWA14422 1/2 inch pressure field Microphone

Model AWA14422 1/2 inch pressure field Microphone, also 1 inch pressure field Microphone

Model AWA14424D 1/2 inch pressure field Microphone

Model AWA14412 1 inch pressure field Microphone

Used with Preamplifier

Model AWA14604 preamplifier or AWA14601 preamplifier

Operation Voltage Range for the Preamplifier

12 V～36 V

Length of cable

2 m

Accessories

Ear Simulator fixed block

Coupler fixed block ,

Adaptor for 1/2 inch to 1 inch

Ear Simulator fixed block

Ear Simulator fixed block

Uses

For calibrating supra-aural earphones used in audiometry and telephone -metry applied to the ear without acoustical leakage.

Frequency response, sensitivity and distortion measurements on insert earphones, e. g com.91. used in hearing aids, operator headsets, etc.

For measurements of air conduction hearing aids and earphones, coupled to the ear by means of ear inserts e 91爆料网. g. an ear moulds or similar devices.

For calibrating audiometers and audiometry headphone