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GPS Second Version

GPS ; Astor brand, Radio (ID = 1985333) Radio
GPS ; Astor brand, Radio (ID = 1985334) Radio
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GPS ; Astor brand, Radio (ID = 1985333) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  Australia
Manufacturer / Brand:  Astor (brand), Radio Corporation Pty., Ltd.; Melbourne
alternative name
Radio Corp.of Australia
Year: 1955 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 1T4 1R5 1T4 1S5 3V4
Main principle Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Line / Batteries (any type) / 210; 220; 230; 240; 250; 260 / 2 x 45 & 9 Volt Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
Power out
from Model: GPS [Second Version] - Astor brand, Radio Corporation
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)

The is a later version of the Astor GPS (ID = 195515) and incorpoates a 4 pole power switch;

1 - Battery Operation
2 - Off
3 - AC/DC Operation
4 - Reactivate

This model uses a metal rectifier for both H.T. and L.T. when on mains power. No power transformer is used. Therefore the chassis could be at a lethal 240V if the active and neutral AC power connections are reversed.

Literature/Schematics (1) Australian Official Radio Service Manual Vol. XIV, page 46

Model page created by Gary Cowans. See "Data change" for further contributors.

All listed radios etc. from Astor (brand), Radio Corporation Pty., Ltd.; Melbourne
Here you find 822 models, 301 with images and 340 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.