R200

• Country
• Great Britain (UK)

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

• Year
• 1960–1964

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75602

• Picture
• Schematics

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

• Number of Transistors
• 6

• Semiconductors
• OC44 OC45 OC45 OC78D OC78 OC78

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

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

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

• from Radiomuseum.org
• Model: R200 - Roberts Radio Co.Ltd., East

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

• Dimensions (WHD)
• 220 x 140 x 100 mm / 8.7 x 5.5 x 3.9 inch

• Notes
• From serial number 12962, transistors OC78D OC78 OC78 replaced by OC81D OC81 OC81. From serial number 70001, transistors OC44 OC45 OC45 replaced by AF117 AF117 AF117. Other revisions made.

• Price in first year of sale
• 14.00 GBP

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

• Literature/Schematics (2)
• Trader sheet 1449

• Literature/Schematics (3)
• Trader sheet 1602

• 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