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產(chǎn)品中心 > S57W85-0805
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S57W85-0805

1.SCOPE:  

This specification covers our product of dynamic Speaker unit for mobile telephone use.

2.MECHANICAL LAYOUT & DIMENSIONS:  

Shown in Fig.3

3.SIZE:  Φ57×H13.6

4.NET  WEIGHT :  

Approx.15.5±0.2g

5.SPEAKER ELECTRICAL AND ACOUSTICAL CHARACTERISTICS

5.1 SOUND PRESSURE LEVEL

    88±3dB  SPL @ 1.0,1.2,1.5,2.0KHz in average ( 0dB SPL=20μPa )

    Measuring condition: 0.1W(sine wave) 0.1M measured with baffler shown in Fig.2

5.2 IMPEDANCE: 8±15%Ω ( @ 2KHz 1V )

5.3 DC Resistance: 7.4±15%Ω 

5.4 MEASURING DIAGRAM : Shown in Fig.1

5.5 FREQUENCY RESPONSE MASK & TYPICAL FREQUENCY RESPONSE CURVE:

Shown in Fig.2

5.6 RATED POWER: 3W.   MAX POWER: 4W.

5.7 RESONANCE FREQUENCY (Fo): 500±20% @1V.(without baffler)

5.8 DISTORTION : Less then 10 % at 1kHz 0.1W.

5.9 AUDIBLE NOISE: Must be free audible noise 5004kHz, Input level up to 2.00 Vrms.

5.10 FREQUENCY RANGE:  Fo~ 20kHz resonant frequency down -10dB. 

5.11 OPERATING TEMPERATURE:

      -20 to +70 

5.12 STORAGE TEMPERATURE:

-30 to +80

  5.13 FRONT CLEARANCE: 

keep clear of Speaker front by 0.0mm for undisturbed sound reproduction.:

-30 to +80

FREQUENCY MEASURING DIAGRAM  ( SPEAKER  MODE ) (Fig.1)

1(15).png 

 

 

 

 

 

 

 

 

 

 

 

Fig.1 Illustration of measuring diagram (speaker mode)

 

·FREQUENCY RESPONSE MASK & TYPICAL FREQUENCY RESPONSE CURVE

 ( SPEAKER MODE ) (Fig.2)

2(15).png 

Fig.2 Frequency response mask & typical frequency response curse(speaker mode)


DIMENSIONS AND MATERIAL DATA(Fig.3)

3(15).png

Fig.3

01.MATERIAL OF FRAME                                                                                     MF0057-01

02.MATERIAL OF YOKE                                                                                        SPCC Plated

03.MATERIAL OF POLE PIECE                                                                                                                   SPCC

04.MATERIAL OF MAGNET                                          NdFeB Zn Plated

05.MATERIAL OF CAP                                                                                                                                   PAPER

06.MATERIAL OF DIAPHRAGM                                                                                                                 PAPER

07.MATERIAL OF COIL                                         COPPER WIRE (DS-UP)

08.MATERIAL OF WIRE                                           NON

09.MATERIAL OF DUSTPROOF COTCH                                                                           NON-WOVEN

                10.MATERIAL OF SCREEN PORON         


6.RELIABILITY TESTS:

  The sound pressure as specified shall neither deviate more than ±3dB from the initial value, nor any significant damage after any of following testing.

  6.1 LOAD TEST:

     White noise (EIA filter) for 96 hours @ 0.5W input power.

  6.2 HUMIDITY TEST:

     Temperature:     +40±2            Relative Humidity:  90%95%

      Duration :     16 hours

  6.3 HIGH TEMPERATURE TEST:

      High Temperature:      +70             Duration:     16 hours

6.4 LOW TEMPERATURE TEST:

Low Temperature:       -30℃             Duration:     16 hours

6.5 DROP TEST:

    Height:      1.5M                     

      Cycle:       10 cycles(Onto the concrete board)

4(15).png6.6 HEAT SHOCK TEST:

   High temperature :        +70

    Low temperature :         -30

    Changeover time:  <30secends  

    Duration        :    1 hour

    Cycle          :                   5

5(4).png6.7 TEMPERATURE CYCLE TEST:

   Temperature :                 -30  +70

    Duration    :                    45 minutes

    Temperature gradient:    13/minutes     

    Cycle:                             5


PACKAGING

 

1.   PE  Pan:     240*240*13.5 mm    40 pcs

One PE pan contains 100 pcs products

Total: 2000pcs/ 1 inner carton

2.   Paper Board:  225*225 mm         42pcs

1pcs paper board on top of each PE pan

1pcs paper board on bottom of inner carton

3.   Box :        513*257*218mm     1 pcs

1pcs outer carton contains 2 pcs inner carton

Total: 4000pcs/ 1 outer carton

    4. Net Weight :     5.0 KG

    5. Gross Weight :   5.5 KG

 6(2).png


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