• Country
• Australia

• Manufacturer / Brand
• Astor (brand), Radio Corporation Pty., Ltd.; Melbourne

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 173945

• • alternative name: Radio Corp.of Australia

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1S5 3S4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 195-260 AC-DC / 5 x 1,5 & 67,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 0.25 W (unknown quality)

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: Porta-Mantel MM - Astor brand, Radio Corporation

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 12.5 x 8.5 x 5.25 inch / 318 x 216 x 133 mm

• Notes

• Selenium rectifier drawn with incorrect polarity on schematic.

  Cabinet colours available in Walnut, Walnut/Cream & Maroon/Fawn.

  Battery types used: (A) 1½ V Eveready 950 or Diamond 3950 (D Cell) x 5 & (B) 67½ V Eveready Mini-Max 467 or Diamond 3467.

• Net weight (2.2 lb = 1 kg)
• 6.2 lb (6 lb 3.2 oz) / 2.815 kg

• Price in first year of sale
• 33.85 AUS £

• Source of data
• - - Data from my own collection

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. X

• Literature/Schematics (1)
• - - Manufacturers Literature (Astor Technical Bulletins MM-1 to MM-6, 1/11/1950 to 9/4/1951.)

• Literature/Schematics (2)
• J.R. Publications Radio Service Handbook (R.V. Series Vol. 1, 1963, Page A61.)

• Literature/Schematics (3)
• Australian Official Radio Service Manual AORSM (Volume 10, 1952, Page 39.)

• Author
• Model page created by Gilles Vrignaud. See "Data change" for further contributors.

• Other Models

• Here you find 851 models, 465 with images and 357 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Astor (brand), Radio Corporation Pty., Ltd.; Melbourne