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> Bruel & kjaer 4602B complete w/ accessories (reduced)
Bruel & kjaer 4602B complete w/ accessories (reduced)
Bruel & Kjaer 4602B Complete w/ 4185 , 4227 & Accessories
Bruel & Kjaer 4602B Features & Specifications:
* Measurements in Standardized Speaking Positions: LRGP, HATS, and AEN (ITU-T) and REF (OREM A)
* Accommodates IEC318, NBS9A and ITU-T P.51 Type 3.2 Artificial Ears
* Optimized Acoustic Design to Minimize Diffraction and Reflection
Bruel & Kjaer 4185 Features & Specifications:
* Conforms to IEC318 and ITU-T P.51 Type 1
* Built-in Sound Source for Seal Checking
* " Microphone and Preamplifier Included
* Individually Calibrated (in Accordance with ITU-T P.57)
Bruel & Kjaer 4227 Features & Specifications:
* Conforms to IEEE-269, IEEE-661 and ITU-T P.51.
* Accurate Level and Frequency Response Calibration is Easily Done Using a Br el & Kj r " 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
* Built-in Overload Protection Circuit
* Two Sets of Handset Alignment Rods with Offset Adjustment
* Mounting Bushing for Mouth Simulator
* Handset Gauge for Non-symmetrical Handsets
