仿真嘴是模拟人嘴部附近声场的声源，用于电话受话器，及在语音通讯网络中使用的其他传声器的声学测试。其内置一台扬声器，符合ieee269,661国际标准和itu-t p51建议的，在“嘴基准点”发送声信号的要求。
主要功能:
型号                                               44aa                                                      44ab 
在嘴基准点最小连续输出声级         10dbre.20μpa(200hz - 6khz)                    110db re.20μpa(200hz - 6 khz)
                                               100db re.20μpa(100hz - 10khz)                   100dbre.20μpa(100hz - 10 khz)
扬声器                                            8ω / 20w(连续最大值)                                8ω / 20w (连续最大值) 
放大器                                          增益：10db输入阻抗：20kω                                   ----   ---
嘴开嘴尺寸                                          直径20mm                                                  直径20 mm
定距唇圈规格
外径                                                    48mm                                                          48 mm
距嘴距离                                              10mm                                                          10 mm
外形尺寸
直径                                                   104mm                                                        104 mm
高度                                                    104mm                                                         104 mm
重量                                                 1.3 kg 0.93 kg

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深圳市准点仪器有限公司南山分公司
章先生
15889488704
西乡大道宝源华丰总部经济大厦B座512