• Country
• Australia

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

• Year
• 1946–1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 184225

• • alternative name: Radio Corp.of Australia

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

• Number of Tubes
• 5

• Valves / Tubes
• 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
• Dry Batteries / 90 & 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm

• Power out
• 0.25 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: KP - Astor brand, Radio Corporation

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

• Dimensions (WHD)
• 13.5 x 10.25 x 5 inch / 343 x 260 x 127 mm

• Notes

• MODEL: KP.

  Features: 5V, B/C; tuned R.F. stage; 8" speaker; on/off switch on volume control; loop aerial on chassis; external aerial and earth terminals; mooulded carrying handle, aeroplane cloth covered ply case, colours as available; overal size 13½' x 10¼" x 5"; weight 16 lbs., uses two 482 and one 745 batteries.

  Retail selling price: £27/18/6 (1948). (£29/10/-, in 1949)

  Battery types used:

  • (A) 1 x 745 (Eveready) or 3745 (Diamond)
  • (B) 2 x 482 (Eveready) or 3482 (Diamond)

  Due to post war shortages of 3V4 valves some models were supplied with 1Q5GT or 3Q4 output valves. Also, again due to shortages, some models had the 1T4 valve the in I.F. stage substituted by a type 1L4, with no circuit changes.

  See also models Monarch Minstrel CKP, Peter Pan Adventurer CKP & National AKP.

• Net weight (2.2 lb = 1 kg)
• 16 lb 0 oz (16 lb) / 7.264 kg

• Price in first year of sale
• 24.95 AUS £

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

• Mentioned in
• Radio Electrical Weekly, Portables Supplement, 29/10/1948.

• Literature/Schematics (1)
• - - Manufacturers Literature (Astor Technical Bulletins KP-1 to KP-8. Dates range between 30/11/1946 & 25/1/1950)

• Literature/Schematics (2)
• Australian Official Radio Service Manual AORSM (Volume 6, 1948, Page 72.)

• Literature/Schematics (3)
• Mingay's "Radio Diagram & I.F. Index

• Author
• Model page created by Stuart Irwin. See "Data change" for further contributors.

• Other Models

• Here you find 851 models, 463 with images and 354 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