Maico Model AB Transistor (Body) Hearing Aid
The Maico Model AB body-style hearing aid was manufactured by Maico Electronics, Inc. of
Minneapolis, MN in 1956. The name "Maico" was derived from the
initials of the Medical Acoustic Instrument Company.
The Model AB was a 3-transistor economy version of the Model W hearing aid. The front of the case was
anodized aluminum, and the back was black plastic. It measured
2½" x 1¾"
x ¾" thick.
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