Larson Davis AEC201 Ear Simulator Reference Manual

About this manual

The Larson Davis AEC201 Ear Simulator is designed for calibrating supra-aural and circumaural earphones in audiometry and telephonometry. It features a 1/2” 377B13 pressure microphone, non-magnetic stainless steel construction, and optional adapters for different earphone types. The device meets IEC 60318-1:2009 and ANSI S3.7-1995 standards and is suitable for both calibration and production testing of electro-acoustic transducers.

The manual includes detailed instructions for assembly, calibration procedures, and testing configurations, along with specifications for frequency response, static pressure, and compliance with international standards.

What's inside

• Introduction
• Components and Construction
• Standards
• Applications
• Inspection and Assembly
• Testing Transducers
• Calibration of the Ear Simulator
• Specifications

Specifications

Frequently asked questions

What frequency range does the AEC201 Ear Simulator cover?

The device covers the frequency range from 20 to 10000 Hz.

What is the clamping force supplied by the main weight?

The stainless steel main weight supplies a clamping force of 4.5 N.

What is the nominal pressure sensitivity of the WS2P microphone used for calibration?

The WS2P microphone has a nominal pressure sensitivity of 12 mV/Pa.