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Chamber
OBO - AC190
Description
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
- ■ High isolation against background noise.
- ■ Sound Isolation 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)
| Outside Dimension |
W：19cm * D：19cm * H：18cm |
| Net Weight |
~ 4 Kg |
| Coustruction |
Phenolic Plastics |
| Sound Pressure |
Level 102 dBSPL @ 1Vrms |
| Sound Pressure |
Level 102 dBSPL @ 1Vrms |
| Frequency Response |
100~20K HZ |
| Total Harmonic Distoration |
<1% @ 94dBSPL (100Hz~20Hz) |
| Sound Insuation Ability |
>20dB(A-Weighting) SPL ref. 20uPa |
| Product specification |
 Download PDF |
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
| 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 |
>30dB(A-Weighting) SPL ref. 20uPa |
| Operating Working Space |
~ 1000mm(L) x 800mm(H) |
| Operation |
Air Cylinder Automatic Control |
| Product specification |
Download PDF |
OBO - PB2
Introduction
The OBO-PB2 test chamber is special designed for the acoustic testing of consumer products. (like: Headphone/ Headset/Tablet/NB/Smart Phone…etc). The chamber can provide a reliable and stable test environment. There are several reserved connection interface for audio equipment like USB port and one I/O port is reserved for automatic control.
Features
- ■ High isolation against background noise
- ■ Uniform sound field across the measurement plane
- ■ Sound Isolation Ability: >40 dB (A-Weighting) SPL ref. 20u Pa
- ■ Space for under 13” pad/li>
- ■ Customization Fixture
| Outside Dimension |
L：700mm * W：800mm * H：600mm |
| Inside Dimension |
L：550mm * W：650mm * H：450mm |
| Net Weight |
~ 340 Kg |
| Construction |
Aluminum |
| Power Request |
100-240V,50/60Hz,2A |
| Sound Insulation Ability |
> 40dB(A-Weighting) SPL ref. 20uPa |
| Interface |
Default-BNC*10,USB*2,RJ45*1,DB-9pin*1,Power jack / or custoner assign |
| Operation |
Air Cylinder Automatic Control |
| Product specification |
Download PDF |
OBO - PB3
Introduction
- ■ Fast and reliable testing of 3C and motor in a noisy field.
- ■ It is designed for low frequency and high SPL testing.
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
| Outside Dimension |
L：1050mm * W：950mm * H：800mm |
| Inside Dimension |
L：700mm * W：800mm * H：550mm |
| Net Weight |
~ 450 Kg |
| Power Request |
100-240V,50/60Hz,2A |
| Sound Insulation Ability |
> 45dB(A-Weighting) SPL ref. 20uPa |
| Operation |
Air Cylinder Automatic Control |
| Product specification |
Download PDF |
OBO - PB4
Introduction
This chamber provides a reliable and stable acoustic test environment for speakers and microphones components, earphones, Mobile-phone, tablet, smart speaker box, etc. It also provides I/O control port to automate control box opening/closing and microphone sealing test。
Features
- ■ High isolation against background noise.
- ■ Uniform sound field across the measurement plane.
- ■ Sound Isolation Ability:>40 dB (A-Weighting) SPL ref. 20u Pa.
- ■ Space for under 10” pad.
- ■ Customization Fixture
| Outside Dimension: |
Closing: D: 895 mm * W:822 mm * H:760 mm
Opening: D:895 mm * W:822 mm * H:1180 mm |
| Inside Dimension: |
D:410 mm * W:410 mm * H:410 mm |
| Net Weight: |
~ 150 Kg |
| Construction: |
Aluminum |
| Sound Isolation Ability: |
> 40dB(A-Weighting) SPL ref. 20uPa |
| Power Request: |
100-240V,50/60Hz, 2A |
| Interface: |
Default –BNC*8, USB*2, RJ45*1, DB-9pin*1, AC Power jack or customization |
| Operation: |
Air Cylinder Automatic Control |
| Product specification |
Download PDF |
OBO - AC800
Introduction
This chamber provides a reliable and stable test environment for speakers, microphones, earphones, Mobile-phone and Notebook. It also provides I/O control port to automate plug/unplug audio jack.
This is manual opening and closing for R&D engineering development.
Features
- ■ High insulation against background noise
- ■ Uniform sound field across the measurement plane
- ■ Sound Insulation Ability： >30dB(A-Weighting) SPL ref. 20uPa
- ■ Can contain under 17” tablet
- ■ Customization Fixture
| 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 |
| Product specification |
Download PDF |
OBO-Noise Tank
Introduction：
This tank design for microphone noise measurement. The tank bottom and cover are one shape. It can get the good background noise and high sound isolation.
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Features：
- ■ High environment sound isolation.
- ■ Low background noise.
- ■ Sound Isolation ability >50 dB (A-Weighting) SPL ref. 20u Pa.
- ■ Background noise values ≈ 10 dB (A-Weighting) SPL ref. 20u Pa.
- ■ Single and simple 6 pins connector interface for microphone jig.
| Outside Dimension : |
D:336mm * W:330mm * H:332mm |
| Inside Dimension : |
Ф:120mm * H:183mm |
| Net Weight : |
~ 85 Kg |
| Construction : |
Iron |
| Sound Isolation Ability : |
> 50dB(A-Weighting) SPL ref. 20uPa |
| Background Noise :
(Outside ˂ 50 dBA) |
≈ 10 dB (A-Weighting) SPL ref. 20u Pa |
| 產品規格說明書 |
下載 PDF |
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