厂家生产直销sd152b动圈型受话器，性能参数可以订做。
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3.1.交流阻抗/ impedance:
110ω ±25ω
3.2.頻率回應/sensitivity:
94±3 db at 1 khz, input60mvwith iec 318 coupler
(without leakage 0 db =20 upa=0.0002ubar).
3.3.額定功率/rate input power:
10mw
3.4.最大功率/max input power:
30mw
3.5異常音測試/buzzes&rattles
must be free audible noise .from 300 hz to 3.4khz frequency range,input: 0.6v
3.6.失真率/distortion:
not exceed 5% at1khz, input:60mv
3.7工作溫度/operating temperature:
-20°cto +75°c
3.8貯存溫度/store temperature:
-30°cto +85°c