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產品描述（超薄喇叭）
產品名稱：FDS-3020048R8W1.0
尺寸：20mm
額定功率：1.2 W
MAX功率：1.5 W
阻抗：8±15% ?
重量：3.5g ± 0.2g
共振頻率：900Hz ± 20%
靈敏度/聲壓：98± 3 dB
頻率范圍：20KHz
DESCRIPTION
常州FDS-3020048R8W1.0超薄喇叭揚聲器發音福鼎廠家直銷
描述
ITEM | SPECIFICATIONS | ||
01 | Type | Dynamic speaker | |
02 | Dimension | External diameter30×20 mm | |
03 | Rated Input Power | 1.2W | |
04 | Max. Input Power | 1.5W | |
05 | Impedance | 8 ohm ± 15% at 2000Hz. | |
06 | Resonance Frequency (Fo) | 900Hz ± 20% at Fo, 1V | |
07 | Sensitivity (S.P.L.) | 98dB(1.2W/0.1m) ± 3 dB | at AVE 1.0 ,1.2,1.5,2.0KHz. |
08 | Frequency Range | Fo –20KHz | |
09 | Total HarmonicsDistortion | Max 8 % at 1 KHz,1.2W. | |
10 | Voice Coil | Diameter 10.5 mm | |
11 | Magnet | Rare earth permanent (Nd-Fe-B) magnet Φ9.8 x1.5 mm | |
12 | Weight | 3.5g ± 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 – 1.2W | |
15 | Buzz, Rattle, etc. | Should not be audible at3.1V sine Wave between Fo to 20KHz | |
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 +70℃ | |
Test Condition
STANDARD
Temperature :15 ~ 35℃
Relative humidity :25% ~ 85%,
Atmospheric pressure : 860mbar to 1060mbar.
BASIC
Temperature : 20±3℃
Relative humidity : 60% ~ 70%,
Atmospheric pressure : 860mbar to 1060mbar
Standard Test Fixture
1.Input Power :1.2W( 3.1V )
2.Zero Level : -dB
3.Mode : SPEAKER
4.potentiometer Range : 50dB
5.Sweep Time : 0.5sec
