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Peer reviewedErickson, Faye N.; Van Tasell, Dianne J. – Journal of Speech and Hearing Research, 1991
Three hearing aid manufacturers provided custom full-shell in-the-ear hearing aids designed for maximum acoustic gain for each of three hearing-impaired adults. Full-on coupler gain curves were similar across all nine hearing aids, with individual differences producing substantial variance in insertion gain across hearing aids. (Author/DB)
Descriptors: Adults, Audiology, Equipment Evaluation, Hearing Aids
