The HMV model 507D was manufactured for His Master's Voice (New Zealand) Ltd in 1951. It was manufactured by various companies.

Other radios based on the same chassis:

1951 6-valve radio with magic eye tuning, dual wave.

1951 HMV model 507D

Technical Information

Valves (6 + magic eye): 7B7, 7S7, 7B7, 7C6, 7C5, 7Y4 and 6U5 Magic Eye

Intermediate Frequency: 455kc/s

Frequency Bands: 2

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

Seen as 507D, 507D/RG and 507R/G

1951 HMV 507D Schematic

1951 HMV 507D Service Info

Other documented models using this chassis (2 in total)

1951 HMV model 507RG 'Avon'