Künstliches Ohr mit 6CC-Kuppler - 4152

An audiometer calibrator and electroacoustical measurement tool for insert earphones and headphones, enabling precise, reproducible tests under stable conditions.

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Artificial Ear Type 4152

General description

Artificial Ear Type 4152 is a precision electroacoustic measurement solution designed for audiometry and related acoustic testing applications.

It enables highly repeatable measurements of insert earphones and headphones under well-defined acoustic conditions, helping engineers, manufacturers, and test laboratories achieve reliable and comparable results.

By combining a precision acoustic coupler, microphone mounting interface, and adjustable device clamping mechanism, Type 4152 creates a controlled test environment that supports product development, verification, calibration, and quality assurance activities.

Key features

Designed for electroacoustic measurements on insert earphones and headphones
Supports frequency response and sensitivity measurements
Suitable for calibration of audiometers
Delivers highly reproducible and comparable measurement results through standardized acoustic conditions
Conforms to relevant International Electrotechnical Commission (IEC) and American National Standards Institute (ANSI) standards
Includes both 2 cc and 6 cc acoustic couplers for different measurement applications
Adjustable spring-loaded clamping mechanism with forces from 2 N to 10 N for repeatable device positioning
Shock- and vibration-isolated design using soft rubber feet to minimize measurement disturbances
Supports both ½-inch and 1-inch microphone configurations
Compact, laboratory-ready design with a robust mechanical structure

Measurement description

Accurate electroacoustic testing requires a stable and repeatable acoustic load. Artificial Ear Type 4152 provides this controlled environment through precision acoustic couplers that simulate standardized ear volumes used in international testing standards.

The system enables measurement of frequency response, sensitivity, and overall performance of earphones, headphones, hearing-aid earphones, and related transducers.

Adjustable clamping force ensures consistent positioning of the device under test, reducing measurement variability and improving confidence when comparing products, validating designs, or performing calibration procedures.

Typical applications

Frequency response testing of insert earphones
Frequency response testing of headphones
Sensitivity measurements of electroacoustic transducers
Audiometer calibration and verification
Hearing-aid earphone evaluation using the 2 cc coupler
Research and development of audio devices
Production quality control and end-of-line testing
Acoustic measurements in laboratory and certification environments

System integration

Artificial Ear Type 4152 integrates easily into existing HBK electroacoustic test setups.

The system supports Brüel & Kjær 1-inch pressure-field microphones, including Type 4144, together with compatible preamplifiers and adapters.

The included 2 cc and 6 cc couplers allow you to configure the system for multiple headphone and hearing-aid measurement scenarios while maintaining compliance with recognized standards.

Its compact construction, standardized interfaces, and extensive accessory ecosystem make it a flexible platform for laboratory testing, calibration systems, anechoic test boxes, and production test environments.

Terminology explained

Artificial Ear: is a standardized acoustic device that simulates the acoustic characteristics and volume of the human ear to enable repeatable measurements of headphones, earphones, and hearing-aid devices.

Frequency response: describes how accurately an audio device reproduces different frequencies across its operating range. It is one of the most important indicators of acoustic performance.

Sensitivity: is a measure of how efficiently an earphone or headphone converts an electrical input signal into acoustic output.

Acoustic coupler: is a precision cavity with a defined volume that creates a standardized acoustic load between the transducer and the measurement microphone. Type 4152 supports both 2 cc and 6 cc couplers for different test requirements.

Audiometer: is a medical instrument used to evaluate hearing performance. Accurate calibration is essential to ensure reliable hearing assessments.

4152 - Data Sheet (BP0079-EN)	Datenblätter	English
Artificial Ear Type 4152	Handbuch/Bedienungsanleitung	English

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