R300

• Country
• Great Britain (UK)

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

• Year
• 1964–1967

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89976

• Picture
• Schematics

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

• Number of Transistors
• 6

• Semiconductors
• AF117 AF117 AF117 OC81D OC81 OC81

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

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

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 6 inch = 15.2 cm

• Power out
• 0.5 W (unknown quality)

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

• from Radiomuseum.org
• Model: R300 - Roberts Radio Co.Ltd., East

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

• Dimensions (WHD)
• 230 x 150 x 100 mm / 9.1 x 5.9 x 3.9 inch

• Notes
• Elliptical loudspeaker 6 x 4 inch.

• Net weight (2.2 lb = 1 kg)
• 1.7 kg / 3 lb 11.9 oz (3.744 lb)

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

• Literature/Schematics (2)
• Radio And Television Servicing books (R&TVS)

• 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