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2.1

Rated Impedance

額定阻抗

8Ω±15%

At 1KHz 1.0V

2.2

Resonance Frequency

最低共振周波數

104±20%Hz

At 1.0V

2.3

Rated Power

額定功率

15W

At 11.0V

2.4

Max Power

最大功率

20W

At 12.0V

2.5

Output S.P.L.

出力音壓

88±3dB at 0.1m/0.1w

At(1000Hz average)

2.6

Frequency response curve

實效頻寬

 F0～20KHz

Deviation-10dB from average S.P.L

2.7

Rub & Buzz

異常音檢查

Should not be audible buzz and rattle (無異常聲音)

Sine WAVE Between(正弦波入力) At 2.83V/100Hz～2KHz

2.8

Distortion

失真

≤ 5% THD

At 1KHz 1.0m 1.0w

2.9

Polarity

極性

When a positive D.C current is applied to the voice coil terminal marked +，The diaphragm shall move forward.(端子的正極通入電流,振動板向前方運動)

3.1

High temperature test

耐熱試驗

+40±2℃ duration 72 hours ,then removal back to normal temperature for 2 hours.(+40±2℃，72小時實驗后，常溫放置2小時。)

3.2

Low temperature test

耐寒試驗

-20±2℃ duration 72 hours ,then removal back to normal temperature for 2 hours.(-20±2℃，72小時實驗后，常溫放置2小時。)

3.3

Humidity test

耐濕試驗

Temperature +30±2℃,relative humidity 90%～95%,duration 72hours,then removal back to normal temperature for 2hours.(溫度+30±2℃，相對濕度 90%～95%,72 小時實驗后，常溫放置2小時。)

3.4

Load test

連續負荷試驗

Subject samples to White Noise for 72 hours at 3.0W input power must be normal.(白噪聲15.0W，連續實驗72 小時后無異常。)

3.5

Drop test

跌落試驗

 The speaker shall be dropped1 times as shown in the 

figure and Cacophony must be normal        

(如圖示 1 次跌落實驗后外觀和聲音無異常)

3.6

In Sulation resistance

絕緣阻抗

A VOLTAGEOF 100V.d.c shall be applied for 1 min between a terminal and a frame,after which measurement shall be made,2 MΩ or MORE

（D．C．100V，1 分鐘后端子與支架間2MΩ以上）

3.7

Vibration test ibration

振動試驗(捆包狀態)

10-55Hz/min

Amplitude:1.5mm

Duration: 2hours each axes

3.8

Storage temperature

儲存溫度

-20℃ TO +45℃