- Country
- New Zealand-Aotearoa
- Manufacturer / Brand
- Columbus (Brand); Radio Centre Ltd.; Wellington
- Year
- 1940 ?
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 344092
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- Alternating Current supply (AC) / 230 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: 56 - Columbus Brand; Radio Centre
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 535 x 260 x 230 mm / 21.1 x 10.2 x 9.1 inch
- Notes
-
5-Valve superhet DW table receiver with expanded shortwave (semi bandspread) tuning.
During this wartime period there was a shortage of components including valves. The valves liste above is believed to be original to this model but often it was a case of using what valves were available.
The radio pictured has the following valves: 6K8GT 6K7GT EBC33 6V6GT 5Y3GT
Following variants used:
Model 56A: 6K8GT, 6K7G, 6B8G, 6F6G, 5Y3
Model 56B: 6K8G, 6K7G, 6B7, 6F6G, 5Y3G
- Author
- Model page created by Brian Stevens. See "Data change" for further contributors.
- Other Models
-
Here you find 164 models, 125 with images and 153 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Columbus (Brand); Radio Centre Ltd.; Wellington