• Country
• Great Britain (UK)

• Manufacturer / Brand
• Roberts Radio Co.Ltd., East Molesey, Surrey, UK

• Year
• 1976–1983

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 90103

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

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 2 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: RM20 - Roberts Radio Co.Ltd., East

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 285 x 115 x 95 mm / 11.2 x 4.5 x 3.7 inch

• Notes

• Transistors: BF194B, BF195B, BF195D, BC148, 2× BC158, BC463, BC462.

  Ovallautsprecher 13,6 x 7 cm.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 100 models, 96 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roberts Radio Co.Ltd., East Molesey, Surrey, UK