• Country
• Spain

• Manufacturer / Brand
• de Wald; Barcelona

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 232202

• Number of Transistors
• 7

• Semiconductors
• SFT108 OC45 OC45 OC71 OC72 OC72 OC72 SFD107 SFD107

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 2 x 4.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.5 inch = 11.4 cm

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Seventrans - de Wald; Barcelona

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 200 x 140 x 60 mm / 7.9 x 5.5 x 2.4 inch

• Net weight (2.2 lb = 1 kg)
• 1.550 kg / 3 lb 6.6 oz (3.414 lb)

• Price in first year of sale
• 3,930.00 ESP

• Mentioned in
• Radio Historia y Técnica, J.J.E. (Anuncio ABC marzo 1959)

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 100 models, 84 with images and 28 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from de Wald; Barcelona