• Country
• New Zealand-Aotearoa

• Manufacturer / Brand
• Amalgamated Wireless Australasia (NZ) Ltd. (AWA); Wellington

• Year
• 1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 350167

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 10

• Valves / Tubes
• 6K7 6L7 6J7 6K7 6G5 6H6 6H6 6L7 6L6 80

• 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) / 50Hz, 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. 

  This radio and Model 262 incorporate an automatic inter-station noise suppression system (“Muting").

  Made in Australia

  See also Australian Model Radiola 257.

• Mentioned in
• -- Original prospect or advert (Rodney and Otamatea Times 4 May 1938 Page 6)

• Author
• Model page created by Brian Stevens. See "Data change" for further contributors.

• Other Models

• Here you find 42 models, 39 with images and 27 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amalgamated Wireless Australasia (NZ) Ltd. (AWA); Wellington