15喇叭是一款游戲機喇叭。
尺寸
SIZE
Ф15mm×4.0mm
功率
POWER RATING
Nominal 0.3W , max 0.8W
阻抗
IMPEDANCE
8ohm ± 15% at 1KHz 3.0V
共振頻率
RESONANCE FREQ
900Hz ± 20% at 3.0V
平均靈敏度
S.P.L
94±3dB/0.1W/0.1m at 800Hz，1000Hz，1200Hz，1500Hz
頻率范圍
RESPONSE
Fo—9kHz,deviation 10dB max
失真
DISTORTION
5%max, at 1kHz 2.0W
磁性材料
MAGNET
Ф8×1.2 (mm) Nd-Fe-B
異常音
BUZZ & RATTLES
Must be normal at 2V sine wave between
極性
POLARITY
When a positive D.C voltage is applied to the terminalMarked(+)
or red the diaphragm should move to the front
接線架結合性能檢驗
TERMINAL STRENGTH
Capable of withstand a 500g load for 3 sec.Without resulting in
any damage or rejection.
焊接試驗
TERMINAL SOLDERING TEST
Speaker shall continue to operate after 10sec.Stabilization test conditionSuppling lead wire and solder on the terminal board and maintaining for 2sec at temperature of 290—320°C by hand iron.
純音檢聽
OPERATION TEST
Must be normal at program source 0.5W
外觀檢驗
APPEARANCE
Should not exist any kind of obstacle to be harmful to normal operation,not any remarkable damages,cracks,rust and distortions which may cause malfunction.
負荷試驗
LOAD TEST
White Noise with Weighted Filter 2volts.(RMS) 24 hours |
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