The ER75 Electro-Acoustic Ear Simulator is designed to provide an objective
performance validation of audiometric equipment.
Completely automatic, the ER75 will respond in a consistent manner to produce
repeatable thresholds over the frequency range of 250Hz to 8000Hz.
Any variations with previously recorded levels can be identified and acted
upon immediately to ensure optimum performance of the audiometric test facility.
Compact and battery powered, the ER75 can be used for both static and mobile
Amplivox is a British company, certified to ISO 9001:2000, with over 65 years
experience in the design, manufacture and support of audiometric