Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.

 

Body Type Transistor Hearing Aids

Philips Model KL-6510 Transistor (Body) Hearing Aid

The Philips Model KL-6510 hearing aid was manufactured by Philips B. V. in The Netherlands in 1960.

The Model KL-6510 was the super wide range (broad band version) of the KL-6500 standard model.

This hearing aid used 4 transistors. The chrome case measured 3" x 1⅞" x ¾". It weighed 4 oz. without battery.

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Top left corner view of the Philips Model KL-6510 hearing aid showing the round microphone grill bounded by a green plastic ring (left), the 9 position volume control (bottom center) and the on-off switch/3 position tone control above the volume control.


 

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Left side view of the Philips Model KL-6510 hearing aid showing the t-coil switch in the telephone position (below pocket clip wire) and receiver cord jack (right).

 

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Rear view of the Philips Model KL-6510 hearing aid showing the Philips name engraved into the bottom of the case.

 

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Bottom view of the Philips Model KL-6510 showing the model number and Philips crest.

The button at the left slides right to open the battery door.

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The battery door swings to the right to reveal the battery compartment of the Philips Model KL-6510.

The wide range adjustment screw (right) has 4 positions labeled M, 3, 2, 1 (left to right).

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Bottom view of the Philips Model KL-6510 showing a single AA sized battery in the battery compartment.

 

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Instead of the usual hard case, the Philips Model Kl-6510 came with a soft bluish-colored suede leather case.

 

 

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