ER•1 Insert Earphones

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ER•1 Insert Earphones

Quick Overview

The ER•1 was designed to imitate the normal resonance of the open ear, and is used for speech audiometry where the goal is to reproduce the same frequency response at the eardrum for speech as would be produced in the live situation.
$540.00

Availability: In stock

Features
  • Flat frequency response referenced to the sound field
  • 70+ dB isolation between ears: reduces the need for masking
  • Eliminates collapsed ear canal problem
  • 30+ dB external noise exclusion

The ER•1 was designed to imitate the normal resonance of the open ear, and is used for speech audiometry where the goal is to reproduce the same frequency response at the eardrum for speech as would be produced in the live situation.

System Includes
  • Earphones
  • Dual-mono 7' cable assembly
  • 50 foam eartips (regular, 13 mm)
  • 10 foam eartips (baby, 10 mm)
  • 2 Single Use EartipsTM adapters with tubing
  • 4 front tube replacements
  • Velcro clips

Instructions For Use

Technical Specs

Sensitivity (@1 kHz) SPL at 0.1v 105 dB SPL for 1V rms drive
Impedance (@1kHz) 10 Ohms nominal
Acoustic Polarity +Electrical = + Acoustic
Technical Specifications
Typical Frequency Response
(Zwislocki Coupler)
ER1 Graph

Accessories

Ratings & Reviews

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