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FHDREC9A

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FHDREC9A

所属分类： 耳机喇叭
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产品描述

1.SPECIFICATION
Speaker

1

Dimension

Φ9.2*H3.6

2

Impedance

16±15%ohms

3

Rated Input Power

3mW

4

Max Input Power

5mW

5

Sound Pressure Level

95±3dB SPL @1KHz (0dB SPL=20μPa)
Input voltage: 179mV (Sine wave) measured with IEC318 coupler.

6

Distortion

Less exceed≤5% 1mw/1kHz  For IEC318 coupler& ear cap.

7

Operating Temperature

-25℃～+50℃

8

Store Temperature

-25℃～+60℃

 

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:   +60℃±5℃
Duration :            96 hours

3.2

Low Temperature  Test

Low  Temperature:    -25℃±5℃
Duration :             96 hours

3.3

Humidity  Test

Temperature:         +40℃±5℃
Relative  humidity:    90%～95% RH
Duration :             96 hours

3.4

Vibration  Test

Vibration:            10Hz～55Hz   
Amplitude:           3.5mm or acceleration : 50m/s2
Duration :            2h per axis=10cycles ; 3 axis

3.5

Temperature  Cycle  Test

Temperature:         -25℃       +60℃
Duration :            2hours  2hours
Cycle:               10 Cycle

3.6

Drop  Test
(under the unit)

Height:              0.75m
Cycle:               6 Cycles

3.7

Load  Test

Noise:               White noise
Power:               0.22V
Duration:            96 hours and satisfy the test listed on item 05,08,14.

 

4.Frequency Response 

6.Response Curve

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