R707

• Country
• Great Britain (UK)

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

• Year
• 1969–1977

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89982

• Picture
• Schematics

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

• Number of Transistors
• 12

• Semiconductors
• BF195 BF200 AF114 AF115 AF116 BC148 BC148 BC149 BC158 OC71 AC187 AC188

• Main principle
• Superheterodyne (common); ZF/IF 470/10700 kHz

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Dry Batteries / 2 x 6 Volt

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

• Power out
• 1.5 W (unknown quality)

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

• from Radiomuseum.org
• Model: R707 - Roberts Radio Co.Ltd., East

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

• Dimensions (WHD)
• 12.7 x 7.25 x 4.38 inch / 323 x 184 x 111 mm

• Notes
• Black leathercloth covered wooden case. Elliptical loudspeaker 7 x 4 inch. Contains two Mullard modules, the LP1179/2 FM module (BF195 and BF200 transistors) and the LP1164/1 IF module (AF114, AF115 and AF116 transistors).

• Net weight (2.2 lb = 1 kg)
• 2.9 kg / 6 lb 6.2 oz (6.388 lb)

• Price in first year of sale
• 36.00 GBP

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

• Literature/Schematics (2)
• ERT Service chart 1713

• 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