5-valve broadcast band mantle radio, a visually identical later variant of the model 502
Although the chassis is marked '502' the all-miniature valve complement indicates this is a 502A
Valves (5): ECH81, 6BA6, 6AV6, 6AQ5, 6X4
Intermediate Frequency: 455 Kc/s
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)
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