Supply artificial ear

Technical Specifications & Applications ■ handset measuring ■-ear earphones and calibration and measurement ■ comply with: IEC 60318 standard electric sound - the human ear and head simulator, Part 1:? Use ear to ear simulator style headphones calibration, 1998-07; ITU-T recommendation P.57 (08/96) P series:? Telephone transmission quality, measuring target devices: artificial ear; GB 7614-87 standard used in the calibration of audiometric headphones? wideband type artificial ear. Artificial ear components:. E610A type IEC318 ear simulator, M620P type 1/2 "; Pressure-field Microphone (with preamplifier), mounting bracket Technical parameters: Frequency range ---- 100Hz ~ 4KHz Volume: full height: 105 mm Diameter: 60 mm Weight: 375 g