HMV 476P (1947)

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

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

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)

1947 Columbus model 402 Portable
1948 Columbus 402Z Portable
1948 Columbus 402X Portable