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ُComplete Test including Rub & Buzz Analysis
Loudspeaker Test System
S-255
DSP technology and PC based operation assure cost-effective, highly accurate and stable analysis in near realtime.
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Features |
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- Multiple functions and various uses
- Easy to handle
- Wide Range of Measurements / Hi-Speed (min. 0.5 sec. to max. 100 sec.: 20 to 20 kHz)
- High precision and high stability: All measurements are conducted by digital signal processing
- Resistant to environmental noise
- Calibration work
- Automatic generation of limit curves
- Displayed language changeable
- Useful printing function
- By options
- Test data of all samples can be statistically processed through a realtime online application
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Support of analysis tool is available which records raw sound and analyzes rub and buzz noise.
- Speaker, sounder and vibrator can be measured by 1 instrument.
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Functions |
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1) SPL (Sound Pressure Level) Frequency Response
2) Total Harmonic Distortion / 2nd & 3rd Harmonic Distortion
3) Abnormal Noise (Rub & Buzz) SPL Frequency Response
4) Impedance Frequency Response
5) Polarity / Phase Frequency Response
6) Sensitivity (S0)
7) Minimum Resonance Frequency (F0)
8) Impedance (Z0)
9) Isolation Test (option)
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* When the voltage setting is the same, all the above test factors can be measured in 1 sweep and under different voltage settings, in few sweeps.
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Catalog (PDF)
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Hardware / Software |
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Hardware
- S-255 Measuring Unit
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Standard model: S2551A
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Compact model (built-in 20W power amplifier): S2552A
- Built-in polarization voltage supply for a condenser microphone: S2551#01
- Power Amplifier
- Standard model (4 lines 50W/2Ω~): S2522
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Large model (4 lines 100W/0.5Ω~): S2533
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Basic model (2 lines 50W/4Ω~): ES-3
- Remote Control
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Basic model: A-1004
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Standard model (with lamps): A-1034
- Isolation Test Unit S2507A
- Hard Disk Back Up Kit (with software)
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Remote Control
Basic model: A-1004 
Remote Control
Standard model: A-1034 |
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Power Amplifier
Basic model: ES-3 |
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Software
* You can select and combine the software applications from the following.
- Standard Measurement Software (SPL, impedance and phase frequency responses): P-2551
- Automatic Test Software (standard measurement + judgment): P-2552
- Automatic Test Software (measurement + judgment + rub & buzz freq. response): P-2553
- Lot Data Management Software: P-2554
- Lot Data Management Software with Automatic Warning: P-2555
- Low Band Characteristic Calculation Software by Q Parameter (order made)
- Exclusive Datasheet Creation & Printing Software (order made)
- Calibration Management Software Kit (under plan)
- Central Monitoring Management of Automatic Test System (order made)
- Each item can be upgraded from the basic type
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Accessories
- Microphones: Various models available
- Artificial Ear with 1/2"microphone set fitted in
- Anechoic Test Box (for speaker test)
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Compact model (aprox. 43L): A-1602
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Medium model (aprox. 140L): A-1601
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Large model (aprox. 480L): A-1603
- Impedance Adapter (for impedance measurement): A-1055
- UPS
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100~120V / 600VA
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100~120V / 1kVA
- Rack Mount Metal Fitting
For measuring unit: A-1051 For power amplifier: A-1052
- Anechoic Test Box: A-1602
Anechoic Test Box: A-1601
Uninterruptible Power Supply
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Anechoic Test Box
A-1602
Anechoic Test Box
A-1601
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UPS
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Copyright 2001-2009 ETANI Electronics Co., Ltd. All Rights Reserved
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