丹麦原装Bruel & Kjaer Type 4227 仿真器仿真嘴(人工嘴)4134

地区:上海 上海市
认证:

上海闻企电子科技有限公司

金牌会员7年

全部产品 进入商铺
Bruel & Kjaer Mouth Simulator Type 4227 is an accurate reference sound source developed for near field testing of telephone transmitters and microphones. It provides a standardised and realistic simulation of the human voice field. Features Conforms to IEEE-269, IEEE-661 and ITU-T P.51. Accurate level and frequency response calibration is easily done using a Brⁿel & Kjμr ╜ microphone placed in the supplied calibration jig Accurate simulation of human voice field Quality control testing of frequency response and distortion of telephone transmitters and close-talking microphones Continuous SPL of 100dB 25mm from lip ring Low distortion Built-in overload protection circuit
型号/规格

Type 4227 仿真器

品牌/商标

Bruel & Kjaer

量程

100dB

价格

9980.0