A. SCOPE
This specification applies speaker, FDS-280055R8W1.0L230T
B. SPECIFICATION
No. | Item | Unit | Specification | Condition |
1 | Dimension | mm | External diamete28 mm | See appearance drawing |
2 | Sound Pressure Level | dB | 97±3dB | at AVE 0.8K,1.0K,1.2K,1.5HHZ |
3 | Power Rating | W | 1.0 | MAX. 1.5 |
4 | Impedance | ohm | 8±15% | at 1.0KHz |
5 | Resonance Frequency | Hz | 650±20% | |
6 | Frequency Rang | Hz | Fo~5K | Output S.P.L. ±10dB |
7 | Buzze & Rattle | | | Should not be audible at 2.83V sine Wave between Fo to 20KHz |
8 | Distortion | % | Max 8 | at 1 KHz,1.0W. |
9 | Housing Material | | Metal | |
10 | Weight (MAX) | gram | 7.0±0.3 | |
11 | Operating Temperature | ℃ | -20 ~ +60 | |
12 | Storage Temperature | ℃ | -30 ~ +70 | |
13 | Environmental Protection Regulation | | RoHS | |
| | | | |
C. APPEARANCE DRAWING
2.1 Electrical and Mechanical Characteristics
2.2. MEASURING METHOD
Test Condition
A.STANDARD
Temperature : 15 ~ 35℃
Relative humidity : 25% ~ 85%,
Atmospheric pressure : 860mbar to 1060mbar.
Atmospheric pressure : 860mbar to 1060mbar.
B.BASIC
Temperature : 20±3℃
Relative humidity : 60% ~ 70%,
Atmospheric pressure : 860mbar to 1060mbar
C.Standard Test Fixture
1.Input Power :1.0W
2.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
![](http://img12.makepolo.cn/images/formals/img/product/961/698/4_17497fbacdbc84da2c1dbf259e658d2c.png)
![](http://img12.makepolo.cn/images/formals/img/product/632/324/4_d568dc0442c2e558c8c30b3a94e2e083.png)
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