Beltone "Largo" Transistor (Body) Hearing Aid
The Beltone "Largo" was produced by the Beltone Electronics Corp. of Chicago, IL
in 1967.
The "Largo" measured 2˝” by 1 5/16” by ⅝” and weighed 2 oz with the battery.
The "Largo" used 6 transistors in a push-pull (PP) circuit.
The case was brushed stainless steel front and back over a black plastic
chassis—visible on all sides.
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Top view of the Beltone "Largo" showing the volume control/on-off switch
in the top left corner of the hearing aid. |
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Left side view of the "Largo" showing the "M" (microphone) "T"
(telephone or t-coil) switch (top right of center), and the volume control/on-off switch on the
corner (right).
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Right side view of the "Largo" showing the 3-hole receiver cord
jack (center). |
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Rear view of the Beltone "Largo" showing the make and model engraved in the case "Beltone"
on the upper back and "Largo" on the battery compartment door. Note the
white dot (center) above the
hinge.
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View of the battery compartment of the Beltone "Largo". The
battery compartment door is hinged at the top and swings upward.
Notice the two sets of adjusting screws. The left two are for adjusting
the power output, while the right two are for adjusting the tone.
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View of the Beltone "Largo" showing the 1.4 volt
No. 401 mercury battery
in the battery compartment. |
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Comparison of the relative size of the Beltone "Super Largo" (left) and
the "Largo" (right).
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