产品名称:FDS-500080R8W1.0
尺寸：直径50 mm
额定功率：0.5 W
大功率：1.0 W
阻抗：16±15% Ω
重量：13.2g ± 0.5g
共振频率：300Hz
灵敏度/声压：80± 3 dB
谐振频率：300±20%Hz
频率范围：20kHz
2.Characteristics
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ITEM |
SPECIFICATIONS |
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|
01 |
Type |
Dynamic speaker |
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|
02 |
Dimension |
External diameter 50 mm |
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|
03 |
Rated Input Power |
0.5 W |
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|
04 |
Max. Input Power |
1.0 W for 1 minute |
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|
05 |
Impedance |
16 ohm ± 15% at 1000Hz. |
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|
06 |
Resonance Frequency (Fo) |
300 Hz ± 20% at Fo, 1V |
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|
07 |
Sensitivity (S.P.L.) |
98dB (0.5W / 0.1m) ± 3dB |
at AVE 0.6K，0.8K，1.0K，1.2 KHz |
|
08 |
Frequency Range |
Fo – 20 KHz |
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|
09 |
Total Harmonics Distortion |
Max 8 % at 1 KHz,0.8W. |
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|
10 |
Voice Coil |
Diameter 13.3 mm |
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|
11 |
Magnet |
Rare earth permanent (Nd-Fe-B) magnet Φ12.5x2.0 mm |
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|
12 |
Weight |
13.2g ± 0.5g |
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|
13 |
Appearance |
Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc. |
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|
14 |
Operation Test |
Must be normal at program source – 0.5 W |
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|
15 |
Buzz, Rattle, etc. |
Should not be audible at 2.83 V sine Wave between Fo to 20KHz |
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16 |
Polarity |
When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. |
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17 |
Terminal Strength |
Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection. |
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18 |
Temperature |
Operating temperature: -20℃ to +60℃ Storage temperature: -30℃ to +70℃ |
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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 :0.5 W ( 2.83 V )
2.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
3.FrequencyResponse Curve
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