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    产品名称:多媒体喇叭 UGF-40004P-3
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详细介绍

Above    Measuring condition under temperature : 25~35℃ R.H. 25 ~75%.According to standard    GB/T9396-1996

 

Model

UGF-40004P-3

1

Type

Dynamic    Speaker

2

Dimension

Outline Dimension Shall Be As Shown In    Fig(1).

3

Weight

Approx  15  Grams.

4

Magnet 

Material       

Nd-Fe-B

5

Impedance 

4

±    15%  Ohm   

6

Power    Rating 

 Normal

3.0W

Maximum

3.5W

7

FO

500±20% Hz   

8

 S.P.L.

100±3dB/1.0Watt    0.1Meter. At1000.1200.1500.2000Hz.

Measurement Method    Shown In Fig(2).

9

Frequency    Range

F0~20,000Hz.Average    SPL-10dB. Frequency    Response Fig(3).

10

Distortion

5%    Maximum  At1000Hz. 1.0W

11

Abnormal    Sound Test

Must be    Normal Tested by

3.46

 Volts.Sine wave for50~5kHz

12

Polarity

Diaphragm    Shall Move Forward When Apply a Positive DC.

Red“+”or“Marked”    Terminal

13

OperatingTemperature

-20°C to +50°C

14

Storage    Temperature

-25°C to +55°C

15

Reliable Test

After any    following test leave speakers at room temperature for 1 hour, SPL shall not    deviate by ± 3 db from    initial value

15-1

Load Test

white noise for 96 hours  at     3.0W input power.

15-2

High Temperature Test

+55±2 °C     96hours

15-3

Low Temperature     Test

 -20±2 °C96hours

15-4

Humidity Test

+40±2 °C    relative humidity 90~95%R.H 96hours

15-5

Vibration Test

Frequency 30 ± 15 Hz,    Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)

15-6

Temperature Cycle test

75 CM free falling on Concrete floor,    10 times.

15-7

Temperature Cycle test

-25°C ~ + 65°C   5 Cycles Temperature test.


16. Drawing(Fig1)   Unit: mm  Tolerance:±0.3mm

01.jpg

17.Frequency Resonance   Fig (3).

02.jpg

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