Super Ondolina 636U4

SBR Société Belge Radio-Electrique, Bruxelles

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  • Year
  • 1935/1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 229370

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 123 kHz; Reflex
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Details
  • Record Player (not changer); Visual Tuning Indicator pre Eye
  • Power type and voltage
  • AC/DC-set / 110; 130; 140; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Super Ondolina 636U4 - SBR Société Belge Radio-
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
    • The 636x series radios has a "Ombrograph"1 (shadow tuning indicator).
    • They also have an automatic loudness control to compensate for the loss of sensitivity of the human ear in low and high frequencies at low soundlevels.
    • Silent tuning.
    • There are 2 output tubes in push-pull to provide for powerfull audio.
    • SBR produced the following models 636:
      • 636x2: table model with loudspeaker;
      • 636x3: luxury console;
      • 636x4: Luxury console with pickup from Marconiphone.

    where 'x' represents 'A' (AC mains) or 'U' (Universelle, AC/DC mains, with Urdox tube 0,3A for the filaments (unknown type)).

    1 derived from the French word "Ombre" (Shadow).

  • Price in first year of sale
  • 4,700.00 BFr
  • Author
  • Model page created by Dirk Bladt. See "Data change" for further contributors.

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