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福鼎FDS

产品描述(超薄喇叭)
产品名称:FDS-500080R8W1.0
尺寸:直径50 mm
额定功率:0.5 W
最大功率:1.0 W
阻抗:16±15% ?
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

ITEM

SPECIFICATIONS

01

Type

Dynamic speaker

02

Dimension

External diameter 50?mm

03

Rated Input Power

0.5 W

04

Max. Input Power

1.0 W?for 1 minute

05

Impedance

16?ohm ± 15% at 1000Hz.

06

Resonance Frequency (Fo)

300 Hz ± 20% at ?Fo, 1V

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

09

Total Harmonics Distortion

Max 8 % at 1 KHz,0.8W.

10

Voice Coil

Diameter 13.3?mm

11

Magnet

Rare earth permanent (Nd-Fe-B) magnet Φ12.5x2.0?mm

12

Weight

13.2g ± 0.5g

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 ? 0.5 W

15

Buzz, Rattle, etc.

Should not be audible at 2.83 V 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℃

2.1?Electrical and Mechanical Characteristics

2.2.?MEASURING METHOD

Test Condition

A.STANDARD

Temperature : 15 ~ 35℃

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Relative humidity : 25% ~ 85%,

Atmospheric pressure : 860mbar to 1060mbar.

Atmospheric pressure : 860mbar to 1060mbar.

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?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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4.Dimension

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5.?Reliability?test

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Items.

Specifications

01

High temp. Test

Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check

02

Low temp. Test

Keep 96 hours at -30℃±3℃ and leave 3 hours in normal temperature and then check

03

Humidity test

Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.

04

Temp./Humidity cycle

The part shall be subjected 5 cycles. One cycle shall be 12 hours and consist of;




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