• Year
  • 1981–1983
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 90086

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

 Technical Specifications

  • Number of Transistors
  • 14
  • Main principle
  • Superheterodyne (common); ZF/IF 470/10700 kHz
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 240 / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Power out
  • 0.45 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: R23 - Roberts Radio Co.Ltd., East
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 250 x 150 x 80 mm / 9.8 x 5.9 x 3.1 inch
  • Notes
  • Two unknown transistors are in the Roberts RR1412/4 FM tuner

  • Net weight (2.2 lb = 1 kg)
  • 1.5 kg / 3 lb 4.9 oz (3.304 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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