Model 

SM27002-D04

1

Type

Dynamic Speaker

2

Dimension

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

3

Weight

Approx  17.0   Grams.

4

Magnet  

Material        

Nd-Fe-B

5

Impedance  

4

± 15%  Ohm    at 1000Hz. 1V

6

Power Rating  

 Normal

2.0W

Maximum

   3.0W

7

FO

450±20% Hz  at 1V  

8

S.P.L.

82 ±3dB/1.0Watt 0.5Meter.   Average At600,800,1000,1200 Hz.

9

Frequency Range

F0~20,000Hz.Average SPL-10dB.  Frequency Response Fig (2).

10

Distortion

10%  Maximum  At 1000Hz. 1.0W.

11

Abnormal Sound Test 

Must be Normal Tested by

2.83 v

 Volts. Sine wave for50~5kHz

12

Polarity

When a positive D.C current is applied to the voice coil terminal marked +,the diaphragm shall move forward

13

Operating Temperature

-25°C   to +60°C

14

Storage Temperature

-25 °C   to +60 °C