• Year
  • 1950/1950
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 138562

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 1 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 200-230; 230-260 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Power out
  • 1 W (undistorted)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Radiola 520MY - Amalgamated Wireless
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 7 x 10 x 6.5 inch / 178 x 254 x 165 mm
  • Notes
  • 4 Valve, AC powered, Superheterodyne.

    Chassis:
    Basic 4 valve Superhet incorporating.

    • “Capacity to mains “Aerial connection through a 70pF capacitor to the AC power line
    • Interference filter around the Aerial Coil
    • Basic resistor-capacitor, B+ filtering

    Cabinet:
    This model has an unusual shape, being an upright design with the dial at the top and the speaker grill below. Produced in three colours, Walnut, Ivory and Burgundy. Mottled Ivory cabinets are known.

    The Radiola’s 520M and 521MZ use the same cabinet.

    The radios with this style cabinet are known to collectors as the "Fridge".

  • Price in first year of sale
  • 17.70 AUS £
  • Circuit diagram reference
  • Australian Official Radio Service Manual Vol. IX
  • Literature/Schematics (1)
  • - - Manufacturers Literature (AWA Technical Information & Service Data.)
  AWA Radiolette 520-MY Service Data 2701 KB
  • Documents regarding this model
  • Author
  • Model page created by Peter Hughes. See "Data change" for further contributors.

 Collections | Museums | Literature

Literature

The model Radiola (Fridge) is documented in the following literature.

 Forum