ITEM |
|
SPECIFICATIONS |
1 |
Type |
Dynamic Speaker + Sound Box |
2 |
Dimension |
External diameter 80 x 31.1 mm |
3 |
Rated Input Power |
2.5 W |
4 |
Max. Input Power |
3.0 W |
5 |
Impedance |
8 ohm ¡Ó 15% at 1.5KHz |
6 |
Resonance Frequency |
630Hz ¡Ó 20% at Fo, 1V |
7 |
Sensitivity (S.P.L.) |
77dB(W/m) ¡Ó 3 dB at AVE 1.0K,1.2K,1.6K,2.0K Hz. |
8 |
Frequency Range |
Fo ¡V 9KHz |
9 |
Total Harmonics Distortion |
Max. 9 % at 1 KHz,2.5W. |
10 |
Voice Coil |
Diameter 13.5 mm |
11 |
Magnet |
Rare earth permanent (Nd-Fe-B) magnet £X12.5 x 2.5mm |
12 |
Weight |
27g ¡Ó 5g |
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 2.5W |
15 |
Buzz, Rattle, etc. |
Should not be audible at 4.5V 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 |