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Type 4160 Microphone

Type 4160 Microphone

TYPE 4160

Laboratory Standard Microphone Type 4160 is specifically built for extreme stability over a frequency range of 2 Hz To 8 kHz. The standard microphone is perfectly suited as laboratory reference microphone.

TYPE 4160

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TYPE 4160 - 1" Laboratory Standard Microphone

Type 4160 Standard Microphone (together with Type 4180) is a high quality condenser microphone, designed for use as a laboratory standard microphone in laboratory coupler applications, where accuracy and long-term stability are essential.

Type 4160 has been used for some time in such applications and conforms to IEC 327 and 402, ANSI S1.12-1967 and ANSI Sl.lO-1966, JIS C 5515, and the current IEC draft standard for 1-inch laboratory standard microphones. The microphone has become established as a high-precision reference standard, and is used in the medium frequency ranges and for measurements at low sound pressure levels.

Both Type 4160 and 4180 Standard Microphones are designed for coupler applications and can be used with couplers filled with gases other than air as they both feature very low gas leakage from the front cavity. The main difference is that Type 4160 is externally polarized and operate on a polarization voltage of +200 Volts.

Both Microphones are delivered with individual calibration charts

USE SCENARIOS

Laboratory standard microphones
Pressure and Free Field Reciprocity Calibrations
Coupler measurements

FEATURES

Well defined integral front cavities for coupler calibrations
Low hydrogen leakage from front cavity
Well-defined operating characteristics
Flat Frequency Pressure Responses up to: 0: 8kHz 4180: 20 kHz
Artificially aged for long term stability
Low sensitivity to environmental changes
Standards: 4160: ANSI S1.12-1967, ANSI S1.l0-1966 (and revisions), IEC 327 and 402, JIS C 5515, and IEC draft standard for 1-inch laboratory standard microphones type LS1 P

Laboratory Standard Microphone Cartridge Types 4160 and 4180

Data Sheets

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