Radiola (Fridge) 520MY

Radiola 520MY; Amalgamated Wireless (ID = 2399483) Radio
Radiola 520MY; Amalgamated Wireless (ID = 2399484) Radio
Radiola 520MY; Amalgamated Wireless (ID = 509486) Radio Radiola 520MY; Amalgamated Wireless (ID = 509487) Radio
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Radiola 520MY; Amalgamated Wireless (ID = 509486) Radio
Amalgamated Wireless: Radiola 520MY [Radio] ID = 509486 285x400
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For model Radiola (Fridge) 520MY, Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney:
Ebay item #280276550909
Country:  Australia
Manufacturer / Brand:  Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
Year: 1950/1950 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 6A8G 6AR7GT KT61 5Y3GT
Main principle Super-Heterodyne (Super in general); 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)
from Model: Radiola 520MY - Amalgamated Wireless
Material Bakelite case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).

4 Valve, AC powered, Superheterodyne.

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

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 £
Source of data -- Schematic
Circuit diagram reference Australian Official Radio Service Manual Vol. IX
Literature/Schematics (1) - - Manufacturers Literature (AWA Technical Information & Service Data.)
Literature/Schematics (2) Australian Official Radio Service Manual AORSM (Volume 9, 1951, Page 57.)
Documents about this model
  AWA Radiolette 520-MY Service Data 2701 KB

Model page created by Peter Hughes. See "Data change" for further contributors.

All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney
Here you find 1266 models, 582 with images and 388 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.