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GRAS Sound & Vibration - Simulators and Ears

couplers

artificial ears

mouth & pinna simulators

KEMAR - head & torso

ANSI/ASA S12.42 fixture

other simulators/fixtures

rugged microphone sets

standard microphone sets

special microphone sets

microphone capsules

preamplifiers

power modules

simulators, test systems

pistonphones & calibration

intensity pairs & probes

sound power hemisphere

accessories

couplers

RA0038 - ½" 2 cc coupler

(IEC 60318-5)

RA0113 - 1" 2 cc coupler

(IEC 60318-5)

RA0075 - 6 cc coupler

(IEC 60318-3)

Standard 2 cc coupler

Uses ½" microphone 

      (preferably GRAS Type 40AG) 

Note: part of GRAS Artificial Ear

      Type 43AB

Standard 2 cc coupler

Uses 1" microphone 

      (preferrably GRAS Type 40EN) 

Note: equivalent to RA0038

Standard NBS 9-A coupler

Uses 1" microphone 

      (preferably GRAS Type 40EN) 

Note: part of GRAS Artificial Ear

      Type 43AF

artifical ears

Type 43AA - test jig

(pre-polarised version/s available)

Type 43AB - test jig

(pre-polarised version/s available)

Type 43AC - test jig

(pre-polarised version/s available)

Complete test system for measurements on telephone handsets and earphones

ANSI: S3.7

IEC rec.: 60318-1 & -2

Complete test system for acoustical measurements on hearing aids

ANSI: S3.7 Type 2

IEC rec.: 60318-5

Complete test system for earphones coupled to ear by inserts or moulds

ANSI: S3.7

IEC rec.: 60318-4

Type 43AD - test jig

(ITU-T Rec. P57 Type 1)

Type 43AF - test jig

(includes NBS 9-A coupler)

Type 43AG - test jig

(pre-polarised version/s available)

Complete test system for measurement of acoustical tranmitters and loudspeakers

ANSI: S3.7

IEC rec.: 60318-1

Complete test system for measurements on telephone handsets and earphones (6 cc)

ANSI: S3.7

IEC rec.: 60318-1

Complete test system - has representative section of human ear and cheek (Type 43AC inside)

ANSI: S3.7

IEC rec.: 60318-4

Type 43AE - test jig

(pre-polarised version/s available)

RA0039 - ear simulator

(microphone not included)

Complete test system for testing supra-aural headphones, telephone hansets and loudspeakers

ANSI: S3.7

Ear simulator with impedance closely matching that of the human ear

ANSI: S3.7

IEC rec.: 60318-1

RA0045 - classic ear simulator

(integrated microphone capsule)

Ear simulator with impedance closely matching that of the 

human ear

IEC rec.: 60318-4

Pre-polarised version = RA0045-S1

RA00401 - high res. ear simulator

(integrated microphone capsule)

Ear simulator with impedance closely matching that of the human ear, 

Usable up to 20 kHz!

IEC rec.: 60318-4

Pre-polarised version = RA0402

RA0403 - high frequency ear simulator

(integrated microphone capsule)

Ear simulator with impedance closely matching that of the human ear, 

Usable up to >50 kHz!!

IEC rec.: 60318-4 (almost!)

Pre-polarised version = RA0404

Type 43BA - high frequency

(pre-polarised version/s available)

Type 43BB - very low noise

(below human hearing threshhold)

Type 43AI - production test

(pre-polarised version/s available)

0.4 cc ear simulator usign a ¼" microphone, available in low noise and prepolarised versions

ANSI: S3.7

IEC rec.: 60318-1

Ear simulator with impedance 

closely matching that of the 

human ear, 10.5dBA noise floor

IEC rec.: 60318-4

two balanced, more damped resonances instead of a single high-Q resonance

Simulator for production testing

Based on ITU-T Rec. P57 Type 3.2 High-leaks

ANSI: S3.7

note:  many of the GRAS artificial ears come in pre-polarised versions as well as s range of other variants for specific applications

mouth and pinna simulators

Type 44AA - mouth simulator

(with built-in amplifier)

Type 44AB - mouth simulator

KB5000 - pinna

(robust, reproducible testing)

Simulator according to ITU-T Rec. P51 with built-in power amplifier

For testing telepone mouthpieces and well as other microphones used in communication devices

Simulator according to ITU-T Rec. P51, no power amplifier

For testing telepone mouthpieces and well as other microphones used in communication devices

Pinna with anthropometric concha and ear canal for KEMAR. (soft silicone, 35 Shore OO hardness)

External shape identical to the KEMAR pinna,  the concha and canal have been modified to closely mimic the properties of a real human ear.

Suited for headphone and earphone testing, with improved  sealing + mounting consistency.

RA0056 - pinna simulator

(low leak)

RA0057 - pinna simulator

(high leak)

Low-leak Pinna Simulator according to ITU-T Rec. P57 Type 3.2

For testing of telephone handset speakers

High-leak Pinna Simulator according to ITU-T Rec. P57 Type 3.2

For testing of telephone handset speakers

KEMAR head and torso simulator

Type 45BB - KEMAR

Type 45BC - KEMAR

(with mouth simulator)

Type 45EA - handset positioning system for KEMAR Type 45BC

Head and torso simulator (HATS) based on worldwide average human male and female 

Meet the requirements of ANSI S3.36/ASA58-1985 and IEC 60959

Head and torso simulator (HATS) based on worldwide average human male and female 

Meet the requirements of ANSI S3.36/ASA58-1985 and IEC 60959

Make very realistic in-situ measurements on mobile telephones and conventional handsets

 ITU-T rec.: P. 64

Type 45EB - earbud positioning system for KEMAR Type 45BC

Make very realistic in-situ measurements - adjustable for pressure and force, reproducible measurements

 ITU-T rec.: P. 64

ANSI/ASA S12.42 test fixture

Type 45CB - ANSI S12.42 acoustic test fixture

Type 67SB - ANSI S12.42

blast probe

Designed to comply with the ANSI/ASA S12.42 standard for testing of hearing protectors at very high SPL

Ears can measure up to 190 dB

Designed to comply with the ANSI/ASA S12.42 standard, which states that you must monitor the noise source in tests.

Equipped with a ⅛" reference microphone to capture short duration impulsive noises

other simulators/fixtures

Type 45AA - telephone 

test head

Type 45CA - hearing protector test fixture

Type 45CC - headphone test fixture (suitable for production line use)

IEC 60318 or IEC 60711 depending on configuration

Testing acoustic performance of telephone handsets

Does not include mouth simulator or artificial ear.

ISO: 4869-3, IEC: 60318-1 and 60318-4 depending on configuration

For testing the performance of hearing-protection devices such as ear plugs and ear muffs (supra-aural as well as circum-aural)

Dual channel testing of headphones and headsets.

Multiple configuration options

Precision reproducible test results

IMPORTANT NOTE:


        we aim to have all information accurate and current, please be aware that 'correct' specifications/details are as per GRAS website 

            (click on the product to view detailed specifications/information)

ETMC Technologies Pty Ltd                                          ( ABN: 14 114 595 836 )

Level 1, 22-28 Edgeworth David Avenue  |  Hornsby NSW 2077  |  AUSTRALIA

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+61 2 9555 1225

|      contact@etmc.com.au

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