• Year
  • 1951
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 104737

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 422 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 100-120; 200-220; 230-250 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Power out
  • 3 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: GR40 - Kolster Brandes Ltd. KB, K.B.,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 580 x 360 x 228 mm / 22.8 x 14.2 x 9 inch
  • Notes
  • One example seen is fitted with an 10.25 x 6 inch elliptical speaker (appears original)

    10 band superhet with 7 bandspread ranges.

    LW band 130 to 300kHz
    MW band 536 to 1600 MHz
    SW band 1.6 to 5.1MHz
     
    49 m band 5.95 to 6.3 MHz
    42 m band 7.0 to 7.4 MHz
    31 m band 9.35 to 9.9 MHz
    25 m band 11.5 to 12.1 MHz
    19 m band 14.8 to15.8 MHz
    16 m band 17.2 to 18.4 MHz
    13 m band 20.8 to 22.4 MHz

    See also Kolster Brandes GR40T

  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

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