ITEM |
|
SPECIFICATIONS |
1 |
Type |
Dynamic speaker |
2 |
Dimension |
External diameter 17 mm |
3 |
Rated Input Power |
0.8 W |
4 |
Max. Input Power |
1.0 W |
5 |
Impedance |
8 ohm ¡Ó 15% at 1500Hz |
6 |
Resonance Frequency (Fo) |
700 Hz ¡Ó 20% at Fo, 1V |
7 |
Sensitivity (S.P.L.) |
86dB(0.1W/1m) ¡Ó 3 dB at AVE 1.0K,1.2K,1.5K,2.0k Hz. |
|
|
93dB(0.8W/0.1m) ¡Ó 3 dB |
8 |
Frequency Range |
Fo ¡V 20KHz |
9 |
Total Harmonics Distortion |
Max. 10% at 1K Hz ,0.8W. |
10 |
Voice Coil |
Diameter 8.5 mm |
11 |
Magnet |
Rare earth permanent (Nd-Fe-B) magnet £X8.0 x 1.3mm |
12 |
Weight |
1.8g ¡Ó 0.1g |
13 |
Appearance |
Should not exist any obstacle to be harmful to normal operation;
damages, cracks, rusts and distortions, etc. |
14 |
Operation Test |
Must be normal at program source 0.8W |
15 |
Buzz, Rattle, etc. |
Should not be audible at 2.53V sine Wave between Fo to 20KHz |
16 |
Polarity |
When positive voltage is applied to the terminal marked (+),
diaphragm should move to the front. |
17 |
Terminal Strength |
Capable of withstand 1kg load for 30 seconds without resulting
in any damage or rejection. |
18 |
Temperature |
Operating temperature: -20¢J to +60¢J |
|
|
Storage temperature: -30¢J to +70¢J |