Some Personal Words About Earl Harford

By James Curran          Recent generations of audiologists may have heard Earl Harford’s name from their teachers or run across one of his many publications and writings during their student years. But only those of us who were there from the early days really know who he was and what he meant…

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Receiver, Speaker, Output Transducer, or Driver?

Which is it? Take your pick? This is a question that has been asked of me many times over the years. Is the component that converts the hearing aid amplified signal back to an acoustic signal properly called a receiver, speaker, loudspeaker, output transducer, driver, or even other names (Figure 1)? Or, can each of…

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