Main principle
Superheterodyne (common)
Wave bands
Broadcast (BC) and FM or UHF.
Power type and voltage
Alternating Current supply (AC)
Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Material
Plastics (no bakelite or catalin)
from Radiomuseum.org
Model: Z733Y Ch=7Y03Z - Zenith Radio Corp.; Chicago,
Shape
Tablemodel with Clock ((Alarm-) Clock Radio).