R701 R701ib

Roberts Radio Co.Ltd., East Molesey, Surrey, UK

Data
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  • Year
  • 1993 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 122214

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast, Long Wave and FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 6 x 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
  • Power out
  • 1 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: R701 R701ib - Roberts Radio Co.Ltd., East
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 255 x 163 x 80 mm / 10 x 6.4 x 3.1 inch
  • Notes

  • 2 Ics, (LA1186 FM front end, TA8117N AM/FM radio with power amplifier used in s/n114610 ) 1 Zener diode.

    The LA1186 supply is regulated to approx 4V by a zener + transistor Q2.

    DC 9 volt socket for external mains adaptor, headphone socket on top of dial.

  • Source of data
  • - - Data from my own collection

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The model R701 is part of the collections of the following members.

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