• Country
• Australia

• Manufacturer / Brand
• Kriesler Radio Company; Newtown (Sydney)

• Year
• 1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 230332

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

• Number of Tubes
• 4

• Valves / Tubes
• 6BE6 6G8G or 6B8G EL33A 6X5GT

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 220; 240 Volt

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

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: 11-20J (Issue 2 - Kriesler Radio Company;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 308 x 225 x 222 mm / 12.1 x 8.9 x 8.7 inch

• Notes

• The 11-20 had 27 variants, differing in valve line up, speaker type, circuit variations etc.

  CIRCUIT: As for 11-20 Issue 2 except for the following alterations:-

  (a) 6BE6 Converter (7 pin miniature) replaces ECH35 (octal). (b) 10pf condenser (Part No. 13-43). in coil deleted. (c) 30K 1watt screen resistor (R8) deleted. (d) .05µf 400v condenser (Part No. 23-8) wired from 6G8G screen to earth. (e) 50K ½watt (R143B) grid leak deleted, replaced by 20K ½watt (Part No. 12-68). (f) 01µf 600v (C27) Audio coupling condenser deleted, replaced by.005µf 600v (Part No. 23-13) (g) 75K 1watt resistor (12-5) wire to 6G8G screen. (h) 30K 1watt resistor (Part No. 12-8) fitted from H.T. to 6BE6 screen. (i) 20Ω ½watt grid stopper (R157) deleted, replaced by 70Ω ½watt (Part No. 12-67. (j) 250pf oscillator coupling condenser (Part No. 13-44). (k) 3pf neutralising condenser (Part No. 13-52) fitted between control grid and oscillator grid 6BE6. (In circuit S/W only).

  Also mentioned in general notes that grid leak 6V6G is 300K, but think the 6V6G valve mentioned is a typo.

• Literature/Schematics (2)
• - - Manufacturers Literature (Kriesler Technical Service Instructions.)

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

• Other Models

• Here you find 898 models, 445 with images and 436 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kriesler Radio Company; Newtown (Sydney)