- Country
- Australia
- Manufacturer / Brand
- Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
- Year
- 1937
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 164975
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 10
- Main principle
- Superhet with RF-stage; ZF/IF 460 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast plus 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 200-260 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
- Material
- Wooden case
- from Radiomuseum.org
- Model: Radiola 257 - Amalgamated Wireless
- Shape
- Console with any shape - in general
- Notes
-
AWA RADIOIA 257
World - Range, three wave, 10 valves including "Magic Eye." l0" speaker. Improved Straight Line Tuning and automatic vernier control. Powerful - every worthwhile station at your command.
Same chassis as Bandmaster model 197DE.
This radio and Model 262 incorporates an automatic inter-station noise suppression system (“Muting").
See “Muting system” document in schematics for description. Information from Radio Trade Annual 1939, Page 309.
- Circuit diagram reference
- Australian Official Radio Service Manual Vol. I
- Mentioned in
- -- Original prospect or advert (Rodney and Otamatea Times 4 May 1938 Page 6)
- Literature/Schematics (1)
- Radio Trade Annual of Australia (1939 Page 304 & 309)
- Author
- Model page created by Stuart Irwin. See "Data change" for further contributors.
- Other Models
-
Here you find 1421 models, 830 with images and 444 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney