SD152B受话器，电话机受话器，楼宇对讲受话器

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.Zui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