• Country
• Denmark

• Manufacturer / Brand
• Bang & Olufsen (B&O); Struer

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71209

• • Brand: B&O

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

• Number of Tubes
• 7

• Valves / Tubes
• ECH3 EBF2 EBC3 CL6 EM4 CL6 CY2

• Main principle
• Superheterodyne (common); ZF/IF 440 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• AC/DC-set / 110; 125; 150; 220; 250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 24 cm = 9.4 inch

• Power out
• 5 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Master 40S - Bang & Olufsen B&O; Struer

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 545 x 800 x 290 mm / 21.5 x 31.5 x 11.4 inch

• Notes

• 12 Drucktasten, davon 6 Festsendertasten. Wellenbereiche:

  • LW: 750-2000 m,
  • MW: 195-580 m,
  • KW I: 16,75-51 m,
  • KW II: 70-200 m (Skala nicht beschriftet).

  Plattenspieleranschluss, Gegentakt-Endstufe.

• Price in first year of sale
• 470.00 KR

• External source of data
• B&O Katalog (1943)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Hermann Jung. See "Data change" for further contributors.

• Other Models

• Here you find 480 models, 430 with images and 270 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bang & Olufsen (B&O); Struer