Maico MT-2A "Hearing Aid"
The Maico MT-2A hearing aid was a table-top model.
Its exact purpose (and large size) of this device is a bit of a
mystery as by 1953 transistorized hearing aids were small body worn
units and contained 3 transistors. (A single-transistorized device would
not give much amplification.)
This large table-top unit uses a single transistor with markings GE 29A 722.
The size of the box is 7½" by 4¼" by 3½". It weighs 2 lbs. without batteries.
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It came with a single earphone that was marked Permoflux
Corporation, Chicago. The rubber earpiece is marked MC-1 62A.
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A side view of the earphone and headband. |
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The inside (bottom) showing the large battery compartment that
contained two large batteries. (Why the
need for a pair of such large batteries for a 1 transistor device is another
mystery. If anyone reading this knows exactly what this device was used
for, please contact us with an explanation.) |
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The picture at the right shows the information stamped on the battery
door. This indicates that this device was a "hearing aid" of some
sort.
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