NO

編號

ITEM

（項目）

                    SPECIFICATION

                        （ 規格）

1

Size

尺寸

28*H5.0mm

2

Unit Weight

產品重量

Approx  6.7±0.2Grams.

3

Magnet Dimension Weight

磁石尺寸

Materials  Ndfeb   Size: (φ12.5 *1.5)

1

Impedance

額定阻抗

8±15% ohm    At  1000Hz/1v.

2

Lower Resonant Frequency

振頻率

480Hz±20%   At1.0V

3

Output Sound Pressure Level  (S.P.L)靈敏度

92±3db/1.0Watt0.1Meter.AverageAt1000,1200,1500,2000Hz.Measurement Method Shown In 。

4

Rating  Power

額定功率

Normal： 0.5w   Maximum：0.8w.

5

Response

頻率范圍

FO~20,000Hz.Average SPL±10db. Shown In 。

6

Distortion

失真率

5% Maximum At 1000Hz0.5w.

7

Buzzes&Rattles

異常音測試

Must de normat 2.0V sine wave detween.

8

Polarity  

極性

When a positiva D.Cvoltage is applied to the terminal marked(+)or red

The diaphragm should move to the front.

9

Terminal strength

接線架結合性能試驗

Capable of withstand a500g load fo3sec.Without resulting in any damage

Or rejection.

10

Terminal soldering test

焊接試驗

Speaker shall continue to opoerate after 10sec,stabilization test conditionsuppling lead wire anre and solder on the terminal board and maining for 2seconds attemperature of 290-320°C by handirom.

11

Operaring test：

純音檢聽

Must de normal at programm source 0.5w

12

Environmental Protection

Regulation

RoHS

NO

編號

ITEM

（項目）

                     Test Conditions 

                      （測試條件）

1

   Hseat Test

高溫試驗

Keep(96)hours at＋62℃±2℃then remonval backto normal

Temperaturefor 1hours.

2

Low temperature test

低溫試驗

Keep(96)hours at-20℃±2℃then remonval backto normal

Temperaturefor 1hours.

3

Temperatureshouck test

      耐溫試驗

Low temperature: -20℃±2℃high temperature: ＋62℃±2℃

Cyle:1hour each tempeature.

And then removal back to normal temperature for 1hour.

4

Hlmidiy test

溫熱試驗

Keep(96)hours at 90～95％.+40℃±2℃then removal back to normal

Temperature for 6 hours.

5

       Load Test

連續負荷試驗

Shall be normal after test at white nois source(0.5w).(24) hours.

6

Operation Test

動作測試

Inputpowr0.5wsine wave input 2.0v Must Be NormaI

7

Vibration Test

振動試驗

F=10～55HZ amplitude:1.5mm Test Direction is x,y,z2H/each.

8

Drop Test

跌落試驗

Drop a speaker contained in normal box into aboard5mm thick 10timedFrom a height of 0.75m and then should satisfy the test described testItem＃1.

9

Insulation Resistance

絕緣阻抗試驗

More than 1mΩ  加直流100V±10％。

10

Cold hot circulation

冷熱循環

60℃±1℃/0.5h→20℃/0.5h→-20℃/0.5h→20℃/0.5h 10cycles and then on 20℃  3hours.