02.Headphone Production Line Test

The 45CC Headphone Test Fixture is for dual-channel testing of headphones and headsets, and it is built on our vast experience in the field. With a focus on multiple configuration options and accurate and repeatable test results, the test fixture can easily be adapted to many different headphone/headset designs and sizes.

45CC

45CC Production Line Test Fixture Leaflet

More details

Main features

- Dual-channel testing of headphones and headsets

- Multiple configuration options: microphones or IEC 60318-1 ear simulators - with or without a mouth simulator

- Distance between ears adjustable from 130 to 170 mm

- Headband holder height adjustable from 75 to 135 mm

- Reproducible positioning of DUT using 45CC’s unique positioning guides

- High quality measurement microphones

- IEC 60318-1 ear simulators

- ITU-T Rec. P51 mouth simulator with built-in power amplifier

- The microphones are mounted with snap fittings for easy calibration

S&V Samford

The Configurations

For your convenience, we have made 45CC available in 8 different pre-configurations. 

-------

Microphones

45CC-1 with Externally Polarized Microphones
45CC-2 with Prepolarized Microphones

G.R.A.S. 45CC Headphone Test Fixture configured with 1/2" externally polarized or prepolarized microphones is primarily intended as a tool for QC and PL testing of headphones. Except for the mounting of the ear plate assemblies, 45CC comes fully assembled and tested from the factory.

--------

Ear Simulators and Microphones

45CC-3 with IEC 60318-1 Ear Simulators and Ext. Polarized Microphones
45CC-4 with IEC 60318-1 Ear Simulators and Prepolarized Microphones

------

Mouth Simulator and Microphones

45CC-5 with Mouth Simulator and Ext. Polarized Microphones
45CC-6 with Mouth Simulator and Prepolarized Microphones

---------

Mouth Simulator and Ear Simulators 

45CC-7 with Mouth Simulator, IEC 60318-1 Ear Simulators and Ext. Polarized Microphones
45CC-8 with Mouth Simulator, IEC 60318-1 Ear Simulators and Prepolarized Microphonesarand Prepolarized 

---s and Prepolarized Microphones

Back To The G.R.A.S. Product list

Related Products

‹ ›

Better testing means better products -The headphone market is expanding rapidly these years. Advances in technology have allowed for not only production of headphones in a wide range of types and forms, but also improved performance and connectivity. More Details: New Headphone Testing

Acoustic Intensity Measurement System-AIMS III The Latest Generation hydrophone scanning system- The AIM III  can help to enhance the acoustic measurement productivity to  map acoustic fields in liquids.   More Details: AIMs III

Our hydrophones are precision instruments: and the research institutes, companies and military outfits that we work with demand nothing less.

The HGL Series hydrophones were designed to meet or exceed recommendations of section 3.3.2 of the AIUM Acoustic Output Measurement Standard (May 1998). They have an exceptionally flat sensitivity in a small and sturdy package. These hydrophones are excellent in-house standards for ultrasonic acoustic intensity measurements, and for general purpose field...

Our hydrophones are precision instruments: and the research institutes, companies and military outfits that we work with demand nothing less.  

The HM Series membrane hydrophones provide an extreme flat sensitivity results in the best reproduction of acoustic waveforms for measuring the pulsed ultrasound fields.  S&V Instruments More Details: HM Series 

Our hydrophones are precision instruments: and the research institutes, companies and military outfits that we work with demand nothing less.

Needle hydrophones can provide a good reflection profile. Therefore, they are suitable for continuous wave applications.  S&V instruments More Details: Needle Hydrophones

CCP Microphone Sets           -Standard           -Special           -Necessories  LEMO Microphone Sets           -Standard           -Special           -Necessories S&V Samford Instruments Ltd.   More Details: G.R.A.S Microphone Sets

The G.R.A.S. 67TS-1-CL Turbulence Screen Kit-   is designed for aeroacoustic testing in solid-walled wind tunnels.  s&v More Details: G.R.A.S Turbulence Screen Brochure

G.R.A.S. headphone testing solution

HALT- the G.R.A.S. quality mark for your Data Safety HALT refers to the Highly Accelerated Lifetime Tests, which is also the quality mark of G.R.A.S. The HALT test of  G.R.A.S. is created to confirm their microphones can perform under a real life situations.   S&V Samford Instrument Ltd More Details: HALT

G.R.A.S. 44AA Mouth Simulator  More Details:  G.R.A.S.  Mouth Simulator

G.R.A.S. has developed a wide range of acoustic sensors and dedicated accessories for testing in both anechoic and hard-walled wind tunnels in the near and far field, at low and high wind speeds. S&V Samford Instruments Ltd.  More Deatails: Acoustic sensors Brochure

The G.R.A.S. 43BA-2 A high frequency 1/4" 0.4cc coupler kit for test of hearing aids at frequencies up to 16 kHz. It is a complete kit with a 1/4" Pressure Microphone and a 1/4" Preamplifier with BNC connection and the same adapters known from the reference 2cc coupler. (Coupler) More Details: G.R.A.S. 43BA-2

Typical applications and use Very Low Sound pressure measurements Lownoise product measurements Lowlevel Sound power measurements Measurements on hard-disk drives, computer products, quiet rooms etc. G.R.A.S.

SV 103 Personal Human Vibration Exposure meter is dedicated to hand-arm vibration measurements. The instrument meets ISO 8041:2005 and is the ideal choice for making measurements according to ISO 5349 and European Directive 2002/44/EC.

The 42AC is an extremely stable laboratory standard sound source which can also be used for field calibrations – it retains its high accuracy even under hostile environmental conditions. 

The G.R.A.S. Accredited Calibration Laboratory is accredited by DANAK, the Danish Accreditation Fund. This accreditation is a quality label that proves that our calibration laboratory complies with the ISO 17025 standard for laboratories. ----Brochure 

The G.R.A.S. 46DE is a 1/8'' CCP Pressure Microphone Set. The preamplifier is 1/8", making it the world's smallest microphone set. --- Frequency Range : 6.5Hz to 140kHz  Dynamic Range    : 47 dB(A) to 175dB Sensitivity            : 0.62 V/Pa

The G.R.A.S. 47AC is a 1/2" CCP precision condenser microphone set for infra-sound measurements in open acoustic fields.

The G.R.A.S. 42AG Multifunction Sound Calibrator is a portable, battery operated sound source for calibration and check of microphones and sound level meters. It is designed for field use and comes with a protective casing. It conforms to the requirements in IEC 60942 for a class 1 sound calibrator.

MB-2200M10 is an ultra compact and lightweight microphone that enables measurement in narrow spaces, where have been difficult to install, without giving influence to the sound field.

Piccolo II The 2nd generation Piccolo Sound Level Meter Piccolo  Professional Integrating SLM Class 2 and Data logger Fully Complies with IEC 61672 and ANSI S1.4; Frequency span 20Hz to 16kHz; Level ranges: Lo: 30 dBA to 110 dBzPk —> Hi: 40 dBA to 130 dBzPk Piccolo II  More Details: Piccolo II Sound Level Meter

Special microphones  GRAS Special microphones are often required for applications where there are particular requirements regarding the methods of measurements and configurations. GRAS More Details: Special microphones

43BB Low-noise Ear Simulator System Volume: 1260 mm³ @ 500 HzDyn range: 10.5 dB(A) to 113 dBBased on IEC 60318-4 GRAS S&V The GRAS 43BB is a low-noise, high-sensitive ear simulator system for measurements of sound pressure levels close to or below the threshold of human hearing. GRAS 43BB More Details: GRAS 43BB