Beltone "Etude" Behind-the-Ear Hearing Aid
The Beltone "Etude" behind-the-ear hearing aid was produced by the Beltone Electronics Corp. of Chicago, IL
This hearing aid used 8 transistors in an integrated circuit and a
push-pull (PP) amplifier.
The forward-facing microphone port is in the clear plastic above
the ear hook. This aid used a ceramic microphone.
The "Etude" could be fitted with an optional t-coil.