|
SPECIFICATION |
| Dimension |
Diameter 23mm / Thickness
5.2mm. |
| Impedance. |
8Ω±10% at 1.0V 1 KHz. |
| Output S.P.L. |
82 dB/W (1m) ± 3 dB at
0.8, 1.0, 1.2, 1.5 KHz. (Average figures). |
| Resonant frequency. |
560 Hz ± 20% at 1.0
V. |
| Effective frequency band. |
Fo ~ 20KHz. |
| Power. |
Nor. 0.6 W. / Max. 0.8 W. |
| Distortion. |
Less than 5% at 1. KHz 0.6
W. |
| Magnet. |
9.5mm × 1.5mm. (Nd-Fe-B) |
| Flux density. |
5,500 Gauss (SURFACE). |
| Weight. |
5.0g ± 1.0g. |
| Polarity. |
The left hand terminal
should be MINUS(-). |
| Terminal strength. |
1.0 Kg for 30 sec. |
| Operation test. |
Must be normal with program
source 0.6 W. |
| Buzz & rattle, etc. |
Not be audible at 2.19 V, sine wave, Fo ~
20 KHz. |
| Load test. |
(White) noise 0.6 W, 96
Hrs. |
| High temperature test. |
+60℃ ± 3 ℃ 96
Hrs. |
| Low temperature test. |
-20℃ ± 3 ℃ 96 Hrs. |
| Operating temp. range. |
High + 60℃ ± 3℃ Low
-20℃ ± 3℃ |
| Humidity test. |
+40℃ ± 3℃ 95% 96 Hrs. |
U2308S04
