15喇叭是一款游戏机喇叭。
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
共振频率
RESONANCE FREQ
900Hz ± 20% at 3.0V
平均灵敏度
S.P.L
94±3dB/0.1W/0.1m at 800Hz，1000Hz，1200Hz，1500Hz
频率范围
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
异常音
BUZZ & RATTLES
Must be normal at 2V sine wave between
极性
POLARITY
When a positive D.C voltage is applied to the terminalMarked(+)
or red the diaphragm should move to the front
接线架结合性能检验
TERMINAL STRENGTH
Capable of withstand a 500g load for 3 sec.Without resulting in
any damage or rejection.
焊接试验
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.
纯音检听
OPERATION TEST
Must be normal at program source 0.5W
外观检验
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.
负荷试验
LOAD TEST
White Noise with Weighted Filter 2volts.(RMS) 24 hours |
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