• Country
• Great Britain (UK)

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

• Year
• 1951–1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71228

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

• Number of Tubes
• 4

• Valves / Tubes
• DK92 DF91 DAF91 DL94

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Line / Batteries (any type) / 200-250 / 90 + 1.5 Volt

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

• Material
• Leather / canvas / plastic - over other material

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

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 320 x 260 x 170 mm / 12.6 x 10.2 x 6.7 inch

• Notes

• A mains/battery portable radio covering MW (192-570 metres), LW (1000-2000 metres) and SW (19-50 metres) released in September 1951, price £26 5s 0d including tax and batteries.

  The battery only version is the Roberts model RP4. See also the RMB Export version which covers a second Shortwave Band in place of Long Wave.

• Price in first year of sale
• 26.00 GBP

• External source of data
• Eigenes Gerät

• Mentioned in
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (Sheet 1037 dated April 12 1952)

• Literature/Schematics (1)
• Radio And Television Servicing books (R&TVS) (p.220, 221)

• Other Models

• Here you find 99 models, 95 with images and 43 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