Type 4227 仿真器
Bruel & Kjaer
100dB
9980.0
企业名:上海闻企电子科技有限公司
类型:经销商
电话: 02151035787
手机:13764678882
联系人:钱先生/纪小姐/江先生/王小姐
邮箱:isd99@163.com
地址:上海上海市黄浦区北京东路668号科技京城3楼A312室
∟ 逻辑IC(1)
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
企业名:上海闻企电子科技有限公司
类型:经销商
电话: 02151035787
手机:13764678882
联系人:钱先生/纪小姐/江先生/王小姐
邮箱:isd99@163.com
地址:上海上海市黄浦区北京东路668号科技京城3楼A312室