Dynamic Speaker

1), Compact 2), Rich sound 3), Applications: mobile phone,PDA,notebook computer, etc

Description:

  This specification is applied to the dynamic speaker which is used all of the electrical acoustic product.

--compact, rich sound

--applications: mobile phone , PDA, notebook computer, etc.

General information:

Out-diamteter:	44×31.2mm
Height:	8mm
Net weight:	6 gr
Operating Temperature range:	-20~+70°C without loss of function
Store Temperature range:	-40~+80°C without loss of function
Test condition:	15~35°C, 25%~85%RH, 860~1060hpa

Electrical and Acoustic Characteristics

1. Impedance:        8Ω±15%(at 1Vrms 1KHz)

2. Sound Pressure Level: 90±3dB(ave0.8,1.0,1.2,1.5KHz 0.1w 0.1m)

3. Resonance Frequency: 330Hz±20% (at 1Vrms) (Speaker unit)

4. Frequency Range:  Fo~20KHz

5. Input Power:       Rated 1.5W/ Max 2.0W

6. Distortion:        <10% Max. at 1KHz/2.0W

7. Buzz and Rattle:    Should not be audible buzzes, rattle when the 1.2W sine wave signal swept at frequency range.

8. Polarity:         When supplied plus D.C voltage to (+)terminal, the cone diaphragm must move to forward.

Measurement Block Diagram

  

Frequency Response Curve:

Box Dimensions :

   Unit: mm Tolerance:±0.2

    

Dynamic Speaker