11-20O (Issue 2)

Kriesler Radio Company; Newtown (Sydney)

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  • Year
  • 1950/1951
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 230329

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

 Technical Specifications

  • Number of Tubes
  • 4
  • 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: 11-20O - 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 in 11-20M except:-

    (a) 6M5 (noval) deleted, replaced with 6V6G (octal). (b) 300K grid leak deleted replaced with 500K (Part No. 12-25). (c) 50K blocking resistor deleted. (d) .03µf tone condenser deleted - replaced with .01µf (Part No. 23-14). (e) Delete 150Ω ½watt resistor replaced with 350Ω ½watt in bias.

  • Circuit diagram reference
  • Australian Official Radio Service Manual Vol. IX
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Kriesler Technical Service Instructions.)
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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