• Country
• Belgium

• Manufacturer / Brand
• SBR Société Belge Radio-Electrique, Bruxelles

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75577

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

• Number of Tubes
• 6

• Valves / Tubes
• MSP4 VMP4 MHSD4 MPT4 4662 MPT4 MU12

• Main principle
• Superheterodyne (common); ZF/IF 123 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Details
• Visual Tuning Indicator pre Eye

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 140; 220; 245 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 24 cm = 9.4 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super Ondolina 635A2 - SBR Société Belge Radio-

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 430 x 465 x 320 mm / 16.9 x 18.3 x 12.6 inch

• Notes
• • The 635x series radios have silent tuning, anti-fading (AVC) and a neon tuning indicator.
  • There are 2 output tubes in push-pull to provide for powerfull audio.
  • There is an alternative tubeset from Philips: E446 E447 E444N E453 E453 1867
  • SBR produced the following models 635:
    • 635x2: table model with loudspeaker;
    • 635x3: luxury console;
    • 635x5: Luxury console of alternative design with record changer.

  where 'x' represents 'A' (AC mains) or 'C' (DC mains, 110 or 220V selectable).

• Net weight (2.2 lb = 1 kg)
• 14 kg / 30 lb 13.4 oz (30.837 lb)

• Price in first year of sale
• 2,650.00 BFr

• External source of data
• P. H. Brans

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Hugo Sneyers. See "Data change" for further contributors.

• Other Models

• Here you find 718 models, 666 with images and 393 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from SBR Société Belge Radio-Electrique, Bruxelles