Transistor radio in black
nylon* housing with gold
accents. Equipped with metal carrying handle, which can
also be used as standard.This model was made in many different colors
and designs in the period 1955-1965.
The first models were equipped with 7 transistors;
later models have an extra IF-stage.
Receives on medium wave.A connection
for an earphone is provided in the right-hand side.The tuning knob has
The 500E was made in the colors ebony,
off-white, brick-red and maroon.
The nickname of the device is "Owl Eyes".
The full model number is
intermediate frequency is 455 kHz.The loudspeaker has a
diameter of 7 cm.
The letters "CD" can be seen
on the tuning knob in two positions.
CD stands for Civil Defense and this still
remind us of the Cold War.They
indicate the wavelengths on which US radio stations would
broadcast in the event of a Russian military
frequencies 640 and 1240 kHz were
specially designated by the United States
Civil Defense Administration in the period 1953-1963.
The original price was $75,
later the price was reduced to $59.99 due to the large
influx of cheap Japanese transistor radios.
Zenith used Zytel®
nylon developed by the American company DuPont,
a thermoplastic polyamide that is very strong