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NATIONAL MODEL COS 'DE LUXE CHEST' (1939)

The National model COS was manufactured for John Burns & Co. Ltd in 1939. It was manufactured by various companies.

5 valve plus magic eye tuning, broadcast band radio

Technical Information

Valves (5 + magic eye): 6K7, 6K8, 6B8, 6F6, 80 and 6U5 or 6T5 Magic Eye

Intermediate Frequency: 256kc/s

Frequency Bands: 1

Chassis Notes(most schematics can be clicked to download a full size version)

National COS 'De Luxe Chest'

National COS 'De Luxe Chest'