Ericsson headphones in original box from the
early 1930's. What ugly and uncomfortable things they are.
Made from steel with bakelite ear covers, these sit awfully on the head
and the ear pieces don't appear to be designed for humans.
This type of headphone was typical in the
early wireless days, either for crystal sets or (one or two) valve sets
without output stages to drive a loudspeaker.
Very unusual to find a mint condition set
in the original box - boy, was I lucky! Does anyone know more about
I'm not sure what the orange and black
design is supposed to represent behind the Ericsson logo, though it's
These images have been heavily processed
and the side picture is probably more representative of the original red
The 4000 ohm resistance was actually 2000
ohm per earpiece as they were wired in series.
Type No. 0/716