OBO

Chamber

OBO-AC190

Can be used with custom jig used for testing SPK, Mic Module's I / O QC rapid detection

Introduction

This chamber provides a reliable and stable test environment for microphones and microphone modules


Features

- Insulation against background noise
- Sound Insulation Ability: >20 dB(A-Weighting) SPL ref. 20uPa
- Portable size and weight
- Designed for production line use
- Flexible upper cover design
- Auto scanner function (Option)



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Frequency Response 100Hz-20kHz
Dimensions (W x D x H) 190mm*190mm*175mm
Weight 4Kg
OBO-TB1

Introduction

This chamber provides a reliable and stable test environment for speakers, microphones, earphones, Mobile-phone and ultra-sound transducers. It also provides I/O control port to automate plug/unplug audio jack. It is designed for testing cell phones.


Features

- Insulation against background noise
- Sound Insulation Ability: >35dB(A-Weighting) SPL ref. 20uPa
- Portable size and weight
- Designed for production line use
- Customization Fixture


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Outside Dimension L:80cm * W:67cm * H:57cm
Inside Dimension L:42cm * W:47cm * H:33cm
Net Weight ~ 85 Kg
Construction Aluminum
Sound Insulation Ability >35dB(A-Weighting) SPL ref. 20uPa
Operating Working Space ~ 1000mm(L) x 800mm(W)
Operation Air Cylinder Automatic Control
OBO-PB1

Introduction

This chamber provides a reliable and stable test environment for speakers, microphones, earphones, Mobile-phone and ultra-sound transducers. It also provides I/O control port to automate plug/unplug audio jack. It is designed for testing cell phones, tablets and earphones.


Features

- Insulation against background noise
- Uniform sound field across the measurement plane
- Sound Insulation Ability: >35 dB (A-Weighting) SPL ref. 20u Pa
- Can contain under 10” pad
- Customization Fixture


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Outside Dimension L:70cm * W:80cm * H:60cm
90cm (Max Height when Box Open)
Inside Dimension L:55cm * W:65cm * H:45cm
Net Weight ~ 280 Kg
Construction The Aluminum alloy steel plate
Sound Insulation Ability > 40dB(A-Weighting) SPL ref. 20uPa
Operating Working Space ~120 cm (W) X 120 cm (L)
Operation Air Cylinder Automatic Control
OBO-PB2

Introduction

The OBO-PB2 test chamber is special designed for the acoustic testing of consumer products. (As like: Headphone/Headset/Tablet/NB/PMP/Smart Phone…etc) The chamber can provide a reliable and stable test environment. There is artificial mouth, ear or microphone integrated inside for advanced acoustic analysis. There are several reserved connection interface for audio equipment as like USB port and one I/O port is reserved for automatic control. The noise shielding ability is different by the building material and mechanical design. Please see the related document for more detail.








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Outside Dimension L:50cm * W:55cm * H:55cm
Inside Dimension L:35cm * W:40cm * H:40cm
Net Weight ~ 100 Kg
Construction Aluminum
Sound Insulation Ability > 35dB(A-Weighting) SPL ref. 20uPa
Operating Working Space ~ 800mm(L) x 850mm(W)
Operation Air Cylinder Automatic Control
Sends out the stable Pink Noise ~ 80dBA

OBO-PB3

USES

- Fast and reliable testing of 3C and motor in a noisy field
- Special design for low SPL measurement



Features

- High insulation against airborne noise
- Uniform sound field across the measurement plane
- Usable for pressure microphones down to 50 Hz and for pressure gradient microphones down to approx. 500Hz
- Automatic Open/Close by cylinder


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Inner Size(L*W*H) L:70cm * W:80cm * H:55cm
Close Door Outside Size (L*W*H) 105*95*80 cm, 105*95*120 cm with rack
Open Door Outside Size (L*W*H) 105*95*155 cm, 105*95*195 cm with rack
Satisfy to inverse square range 800Hz Above
Integrated Isolation Ability ≧55 dBA
Internal Noise ≦20dB(A) Using the GRAS 40HL
Low Noise Microphone System
Floating Nature Frequency ≦20Hz
Weight with rack 750 KG
OBO-AC800

Introduction

This chamber provides a reliable and stable test environment for speakers, microphones, earphones, Mobile-phone and ultra-sound transducers. It also provides I/O control port to automate plug/unplug audio jack. It is designed for testing cell phones, tablets, notebooks and earphones


Features

- High insulation against background noise
- Uniform sound field across the measurement plane
- Sound Insulation Ability:>35dB(A-Weighting) SPL ref. 20uPa
- Can contain under 17” tablet
- Customization Fixture

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Outside Dimension L: 935mm * W: 910mm * H: 590mm
Inside Dimension L: 650mm * W: 650mm * H: 380mm
Net Weight ~ 85 Kg
Construction Aluminum
Power Request >30dB(A-Weighting) SPL ref. 20uPa
Sound Insulation Ability ~ 1000mm(L) x 1000mm(W)
Operating Working Space Manually

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