产品名称：FDS-400056R50W0.5
尺寸：直径36mm
额定功率：0.5W
大功率：0.7W
阻抗：5±15% Ω
重量：10g±0.2g
共振频率：450Hz ±20%
灵敏度/声压：91dB
频率范围：5KHz
音圈直径：10.25 mm
2.Characteristics
2.1 Electrical and Mechanical Characteristics
|
ITEM |
SPECIFICATIONS |
||
|
01 |
Type |
Dynamic speaker |
|
|
02 |
Dimension |
External diameter 36mm |
|
|
03 |
Rated Input Power |
0.5W |
|
|
04 |
Max. Input Power |
0.7W for 1 minute |
|
|
05 |
Impedance |
50 ohm ± 15% at 1000Hz. |
|
|
06 |
Resonance Frequency (Fo) |
450Hz ± 20% at Fo, 1V |
|
|
07 |
Sensitivity (S.P.L.) |
91 dB (0.5W / 0.1m) ± 3 dB |
at AVE0.8,1.0,1.2,1.5 KHz |
|
08 |
Frequency Range |
Fo – 5KHz |
|
|
09 |
Total Harmonics Distortion |
Max 8 % at 1 KHz,0.5W. |
|
|
10 |
Voice Coil |
Diameter 10.25 mm |
|
|
11 |
Magnet |
Rare earth permanent (Nd-Fe-B) magnet Φ9.7x1.3 mm |
|
|
12 |
Weight |
10g ± 0.2g |
|
|
13 |
Appearance |
Should not exist any obstacle to be harmful to normal operation; damages, cracks, rusts and distortions, etc. |
|
|
14 |
Operation Test |
Must be normal at program source – 0.5W |
|
|
15 |
Buzz, Rattle, etc. |
Should not be audible at 5.0V sine Wave between Fo to 5KHz |
|
|
16 |
Polarity |
When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. |
|
|
17 |
Terminal Strength |
Capable of withstand 1kg load for 30 seconds without resulting in any damage or rejection. |
|
|
18 |
Temperature |
Operating temperature: -20℃ to +60℃ Storage temperature: -30℃ to +80℃ |
|
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.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
3.FrequencyResponse Curve
4.Dimension
冀公网安备13010402002588