HMV 476P 'DEVON' (1947)

The HMV 476P was manufactured for His Master's Voice (New Zealand) Ltd by Various in 1947, production ran for about 4 years.

Other radios based on the same chassis:

Columbus
402Z 'Portable'

Columbus
402X 'Portable'

6-valve broadcast band dual-power portable radio.  Mains or battery, internal loop aerial.

Made by Radio Corporation of NZ and also sold as the Columbus model 402

1947 HMV 476P 'Devon'
NORTHERN ADVOCATE, 29 JUNE 1949

Technical Information

Valves (6 (or 5)):
1N5, 1A7, 1N5, 1H5, 1A5, 1A5
1N5, 1A7, 1N5, 1H5, 3Q5 (s/n 84401 onwards)
1T4, 1R5, 1T4, 1S5, 3S4 (model 402A)
1T4, 1R5, 1T4, 1S5, 3V4 (model 402Z)

Intermediate Frequency: 455kc/s

Frequency Bands: 1

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

At least three variations on the base schematic - from serial number 84401 the original twin-parallel 1A5's are replaced with a 3Q5.  And the 402Z appears to be an almost complete redesign around miniature valves.

 

1948 Columbus model 402 Schematic

1947 Columbus model 402A Schematic

1948 Columbus model 402Z Schematic

1947 Columbus model 402A

Other documented models using this chassis (4 in total)

YEARMODEL NAME
1947 Columbus model 402 'Portable'
1948 Columbus 402Z 'Portable'
1948 Columbus 402X 'Portable'