CRY 318 Artificial Ear CRY318 Artificial Ear is a measurement device that closely resembles human ear and loads a sound source in the same way with human ear. It mainly used for acoustic measurements on telephone handsets and earphones. The whole unit includes a 1/2 inch Pressure Measurement Microphone, a 1/2 inch Preamplifier and an Artificial Ear Pedestal. IEC 60318-1:2009 Ed. 2.0 Standard electroacoustics - the simulator of the human ear and head, part 1: measuring the ear simulator used for ear pressing and ear covering headphones; GB/T 25498.1-2010 Electroacoustics Head simulator and ear simulator Part 1: calibrate ear simulator used for ear pressing eadphones; ITU-TITU-T suggested P.57,1 artificial ear Technique Specification Comply Standard Frequency Range Coupled cavity frequency range 20Hz ~ 16kHz (coupled cavity using) 32mm (including connection adapter) ITU-T P.57 sec.5.1 Type 1 suggestions with IEC60318-1 208g (including connection adapter) Add: No.31-1, Xianxing Road, Xianlin Industrial Park, Yuhang District, Hangzhou, Zhejiang

 Case 1: Preamplifier: CRY502(tradition ， dB9 connector) Or CRY506（ICP, BNC socket） Microphone: 1/2 inch Pressured field Microphone: 1/2inch Pressured field Case 3: Preamplifier: CRY509(tradition ， air plug) Microphone: 1/2inch Pressured field Use an air plug cable to connect with the electro-acoustic measuring instruments. The cable is standard provided. Add: No.31-1, Xianxing Road, Xianlin Industrial Park, Yuhang District, Hangzhou, Zhejiang