• Year
  • 1958/1959
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 155786

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Triplex 41-20 - Kriesler Radio Company;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 10 x 7 x 4.5 inch / 254 x 178 x 114 mm
  • Notes
  • Kriesler "All-Transistor" 41-20 Triplex Radio

    Designed for all Australian conditions, the new, revolutionary, Kriesler "All Transistor" radio plays anywhere . . . gives you 3 RADIOS IN ONE with amazing economy and full, rich tone . . . plays more than hundreds of hours on one tiny, low-cost battery. Triplex is the "all purpose" radio - the cordless radio of the future, here now!

    1. In the home - plays any room as one of Australia's smartest "future-look" home radios, with room filling volume. 2. Out of doors - the ideal portable companion for all occasions. 3. in your car - for front or back seat - out of your car for beach, bush or picnic. No cords, no plugs, no valves to worry about, Kriesler transistor-powered Triplex gives you the best in styling, performance, service and economy, with exclusive quality features. Gleaming "Tough Rider" plastic cabinet - strong enough to stand on. Lavish gold trim. Choice of modern colour combinations. Outstanding long-range performance and power. Full size, heavy duty speaker. "Auto Strap" carry handle. (FROM MINGAY'S PRICE SERVICE)

    Kriesler's first transistor radio.

    This radio is very early in Australian Transistor Radio production as it uses "Point to Point" wiring from Tag Strips. There is no printed circuit board. The tuning dial is unusual in that a cylinder can be rotated to bring various call signs, grouped by state, into view.

    Speaker Rola Type 5F 3.5Ω voice-coil with F87 cone.
    Battery Eveready Type 276P or equivalent (price includes battery).
    Colour combinations available in Burgundy/Ivory, Tan/Ivory & Charcoal/Pink.

    See also valve portable models with similar case style: 21-6, 21-7, 21-8 and 21-9

  • Net weight (2.2 lb = 1 kg)
  • 6 lb 12 oz (6.75 lb) / 3.065 kg
  • Price in first year of sale
  • 46.20 AUS £
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Kriesler Technical Service Information.)
  • Literature/Schematics (3)
  • Feb 1959 & Aug 1959.
  • Author
  • Model page created by Karl Josef Hahn. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Triplex is part of the collections of the following members.

Literature

The model Triplex is documented in the following literature.

 Forum