• 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
• 90671

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
• Dry Batteries / 90 / 1,5 Volt

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

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

• from Radiomuseum.org
• Model: RP4 - Roberts Radio Co.Ltd., East

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

• Dimensions (WHD)
• 315 x 270 x 170 mm / 12.4 x 10.6 x 6.7 inch

• Notes

• Same as the RMB but battery only model. Released September 1951 at £15 8s 9d plus purchase tax. Export models had MW and 2× SW.

• Net weight (2.2 lb = 1 kg)
• 6.4 kg / 14 lb 1.6 oz (14.097 lb)

• Price in first year of sale
• 15.00 GBP

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

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

• 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