• Year
  • 1945
  • Category
  • Military Equipment (not Re, Tr or RXT)
  • Radiomuseum.org ID
  • 176837

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 460 kHz; 1 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Storage and/or dry batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch
  • Power out
  • 0.05 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Reception Set R209 - MILITARY U.K. different makers
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 310 x 215 x 230 mm / 12.2 x 8.5 x 9.1 inch
  • Notes
  • The R209 reception set, a high-grade general purpose receiver with the new B7G tubes, was introduced in 1945 and could replace the R107 and the R109 reception sets.
    Frequency range in 4 bands, 1,0-2,3 MHz, 2,3-5,6 MHz, 5,5-12,5 MHz and 12,0-20,0 MHz, according to EMER E262 dated Jan. 1946. The working instructions dated May 1945 mentioned slightly different band-ends of range 2, 3 and 4.
    Reception modes: AM/CW/FM. Variable BFO with audio-peak-filter at 950 Hz.
    For FM reception, V8 is used as an amplifier-limiter and the diode-section becomes a simple discriminator; satisfactory FM-reception only in case of strong signals.
    Antenna connectors for rod or wire and for dipole ca. 80 ohms, with antenna-trimmer.
    It is a very solid and compact constructed set, being waterproof, with 2 silica-gel desiccators, one in use and one for spare. Loudspeaker with metal cover and a socket for two 150 ohm headphones.
    An improved version R209 Mk.2 was introduced around 1951.
    Valves are specified after their schematic-numbering in EMER E262 dated Jan.1946.
  • Net weight (2.2 lb = 1 kg)
  • 10.5 kg / 23 lb 2 oz (23.128 lb)
  • External source of data
  • Working Instructions May 1945
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Jan Terranea. See "Data change" for further contributors.

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