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  • 丹姆德

    FHDQT4025A


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    FHDQT4025A

    零件應在一個條件下(溫度:5~35℃,濕度:45%~85%R.H.,大氣壓:860~1060hPa)進行測量,除非調節標準條件(溫度:25±3℃,濕度為60±10%R.H.大氣壓:860~1060hPa)來進行測量。


    所屬分類: 腔體喇叭
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    關鍵詞:蜂鳴器 | 喇叭| 物化片

    產品描述

     

     

     

    APPROVAL SHEET

    FOR

    MYLAR SPEAKER

    常州富鴻達電子有限公司

    CHANG ZHOU FHD ELECTRONICS CO., LTD.

    CUSTOMER No.:

    CLUE No.:

     

    MODEL No.:

    FHDQT4025A-001

    OUR PART No.:

     

    CUSTOMER PART No.:

     

     

    CUSTOMER

    APPROVED

    CHECKED

     

     

     

     

    Add: Xujia Industrial Park, ZhenLu Town, Changzhou City, Jiangsu China.

    江蘇省常州市天寧區鄭陸鎮工業大道2

    Tel: +86-519-83822009

    Fax: +86-519-88739926

    Email: sales@czfhd.com; http://www.czfhd.com

     

     

    1. Document revision history

    修改時間

    版本

    修改頁次

    修改內容

    確認人

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    1.SPECIFICATION

    Speaker

    1

    Dimension

    40*25*H6.8mm

    2

    Impedance

    8Ω±20% at 2 KHz 1.0Vms Sine Wave

    3

    Rated Input Power

    1.5W

    4

    Max Input Power

    2.0W

    5

    Lowest Resonance Frequency

    1250HZ±20% at 1.0V Sine wave

    6

    Buzz Sound

    Must be free audible noise (buzzes and rattles)(F0 ~ 15KHz frequency range ,input level up to 2.83V)

    7

    Sound Pressure Level

    93±3dB(AT 0.1m/1.0W, Average at  1KHZ)

    8

    Distortion

    Not exceed 10% at 2KHz 1W

    9

    Operating Temperature

    -20℃~+60

    10

    Store Temperature

    -30℃~+70

    2. Dimensions

    Unit: mm

    *Unit: mm; Tolerance: ±0.3mm Except Specified

     

    3.Reliability Test 可靠性測試

    3.1

    High  Temperature  Test

    High  Temperature:   +70±3

    Duration :            96 hours

    3.2

    Low Temperature  Test

    Low  Temperature:    -30±3

    Duration :            96 hours

    3.3

    Humidity  Test

    Temperature:         +40±5

    Relative  humidity:    90%96% RH

    Duration :            96 hours

    3.4

    Vibration  Test

    Vibration:            10Hz500Hz   

    Amplitude:           0.35mm or acceleration : 50m/s2

    Duration :            2h per axis=10 cycles ; 3 axis

    3.5

    Temperature  Cycle  Test

    Temperature:         -30       +70

    Duration :            2 hours    2 hours

    Cycle:               6 Cycle

    3.6

    Drop  Test

    (under the unit)

    Height:              1.0m

    Cycle:               10 Cycles

    3.7

    Load  Test

    Noise:               White noise

    Power:              1.5W

    Duration:            96 hours and satisfy the test listed on   item 05,08,14.

     

    Sensitivity difference shall be within (3dB) and should satisfy the test described under item 14  after each following test

    4.Electrical And Acoustical Measuring Condition

               

     

    5.Frequency Response

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