Other radios based on the same chassis:
5-valve broadcast band only. Compact design. At least 2 different cabinet designs - photographed model appears to be from 1935 based on ARTS&P label
NOTE: There is a full-size model with slight changes, and there is also a later full-size version, the 5AV series 2 from 1936 which has an aero dial and updated chassis with 6.3V valves.
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)
Parts list for full-size chassis (which includes a tone control):
Parts list for the compact chassis:
General Construction Notes for Collier & Beale Ltd:
Model numbering followed no real sensible scheme until around 1940 - and prior to 1934 apparently no model numbers were assigned at all.
From 1940 a 3- or 4-digit system was employed where the first digit indicates the number of valves, the second digit is the number of bands and the third is the year of manufacture. From 1950 the last digit became two digits, eg: 5151 is a 5-valve broadcast-band only from 1951.
From 1957 model numbers were replaced with model names, ie the Pacemaker Buffalo - which makes the year of manufacture hard to determine unless service info is consulted (although C&B often released service info after the radio, and the date on the service info was for its release, not that of the model.
| YEAR | MODEL NAME |
|---|---|
| 1933 | Cromwell model 5AV 'Series 1' |
| 1933 | Radion Little Aristocrat (1933) |
| 1935 | Radion model 5AV 'Little Aristocrat' |
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