product

Our Model No.

SL-VS07

Product  Model No：

Customer 

Customer’s Model No :

1

  Applicable  Scope

1.1

Type

permanent-magnet  dynamic  loudspeaker

1.2

Dimensions

D40.5 mm *H24mm     

1.3

Power

Nominal input 10W,  Maximum input 15W

2

mechanical  specification

2.1

2.2

3

  Electrical   specification

3.1

           Nominal Impedance

4Ω±15%  test  @1000Hz  1 v

3.2

    Lowest Resonance Frequency

80Hz±20% (@ 1.0 V)

3.3

             Output sound Pressure Level

83±3  dB (400,600,800,1000Hz at average)

3.4

  Effective Frequency Band

F0 ~ 15KHz

3.5

Distortion

5% less  @ 10W  800Hz   

3.7

Polarity

                When a   positive current is supplied form the speaker the terminal  marked (+) and a negative to the other terminal the diaphragm must move toward the front .

4

Reliability

4.1

                                     Load    Test

Must be normal after load test :pink noise    10W    96 hours

4.2

                                  heat  Test

 Must be normal after 70±2℃and relative humidity20-25% 16hours and then room temperature 1hour.

4.3

                                     Cold  Test

Must be normal -25±3℃ and relative humidity    -    %  16hours and then room temperature 1 hour

4.4

                              Humidity  Test

 Must be normal after40±2℃ and relative humidity 90-95% 48 hours and then room temperature 1hour

APPRROVED

  CHECKED

DESINGED