Part No.

Customer No

顧客型號

Customer code

顧客編號

Our Part No

本廠編號

FS4028NB0420-H16.7-R01

Revision

版本

A

No.

Item

項目

Specification

規格

Testing Condition

測試條件

1.

Rated Imp

共稱阻抗

4Ω±15%

At 1kHz1.0Vrms

2.

Resonance Freq

最低共振周波數

480Hz±20%

Without Baffle

3.

Output S.P.L.

出力音壓

93±3dB

At 0.1m 0.1w 0.6,0.8,1.0,1.2KHz

Average

4.

Rated Power

定格入力

at2.0W

at2.83 Vrms

5.

Max Power

最大入力

at3.0W

at3.46Vrms

6.

Frequency Range

實效頻寬

FO20kHz

7.

Operation

可靠性試驗

Must Be Normal at Rated Frequency Range

ProgramSource2.0W

FO~5kHz

8.

Buzzes & Rattles

異常音試驗

Should not be audible buzz and rattle at Rated Frequency Range

無異常聲

SineWave Between (正弦波入力 ) at  2.83 Vrms / FO10kHz

9.

THD

失真

10% Max

Rated Power Input 1000Hz

10.

Magnet

磁鐵

NdFeB

11.

Operating Temperature動作溫度

-20℃ to +50℃

12.

Storage Temperature儲存溫度

-30℃ to +60℃

13.

Weight

重量

g

14.

Cold Test

耐寒試驗

Must be normal after having been in a test chamber for 96 hours at the condition of-20℃±2℃ and then left 2 hours in a room.

( -20℃±2℃,96小時試驗室溫兩小時後,無異常)

15.

Heat Test

耐熱試驗

Must be normal after having been in a test chamber for 96 hours at the condition of+50℃±2℃90~95% R.H and then left 2 hours in a room.

(+50℃±2℃90~95% R.H96小時試驗常溫2小時後,無異常的不良)

16.

Load Test

連續負荷試驗

Must be normal after load test :Pink noise 1W 96 hours. At rated frequency range

(粉噪音2.0W連續96小時試驗後無異常的不良)

17

Short Term Maximum Power test

瞬間最大功率測試

Test for 1 hour under maximum power. Input shall bePink noise in rated frequency response. And the signal will be 1 second on, 59 seconds off, total 60 cycles at rated frequency range, Must be normal after the test

(粉噪音3.0W，1秒開59秒關，連續60迴圈，試驗後無異常之不良)

18.

Polarity

極性

When a DC source′s "+" polarity is attached to speaker's "+"

polarity,"-" polarity is attached speaker's "-" polarity, the membrane will move forward. Red wire is “+”and the black wire is”-“.

(接線板由側為正極,左側為負極)

19.

Drop Test

跌落試驗

Drop the speakers contained in normal box onto a board 5mm thick 2 times from a height of 1.0m . Must be normal after the test

(在厚5mm的木板上從1.0m的高度跌落2次,無異常不良)

20.

Terminalstrength

端子強度

A static load of 5.0N shall be applied to the terminals for 10s in any direction between terminal block and frame and between terminal block and fasten terminal. Must be normal after the test

(端子板和支架或焊片任一方向上5.0N 的力10s 無異常)

Temperature Cycle Test(5 cycle)

T(℃ )

tem peraturegradient:1~ 3℃/min

4 5 m inutes4 5 m inutes

+ 50 ℃

+ 25 ℃

-20 ℃4 5 m inutes

1 cyclet(hour)