Beltone "Super Largo" Transistor (Body) Hearing Aid
The Beltone "Super Largo" was produced by the Beltone Electronics Corp. of Chicago, IL
in 1967.
The "Super Largo" measured 3” by 1 5/16” by ⅝” and weighed 2˝ oz with the battery.
The "Super 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 "Super 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 "Super Largo" showing the volume control/on-off
switch on the corner (top left), and the "M" (microphone) "T" (telephone
or t-coil) switch (below and to the right of the volume control switch).
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Right side view of the "Super Largo" showing the 3-hole receiver
cord jack (center). |
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Rear view of the Beltone "Super Largo" showing the make and model engraved in the case "Beltone"
on the upper back and "Super 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 "Super 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 "Super Largo" showing the two 1.4 volt
No. 401 mercury
batteries in the battery compartment. The extra battery wired in
series gave the "Super Largo" extra power. |
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Comparison of the relative size of the Beltone "Super Largo" (left) and
the "Largo" (right).
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