详细说明
产品描述
产品名称:FDS-400056R50W0.5
尺寸:直径36mm
额定功率:0.5W
最大功率: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