• Country
• Spain

• Manufacturer / Brand
• Inter Electrónica, S.A., Inter-Grundig, S.A.; Barcelona

• Year
• 1955 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 94423

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

• Number of Tubes
• 4

• Valves / Tubes
• UCH81 UF89 UABC80 UL84

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 117-127 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Berna B 411-K - Inter Electrónica, S.A., Inter

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• Rectificador de selenio 130 V, 75 mA.

• Price in first year of sale
• 2,058.10 ESP

• Literature/Schematics (1)
• -- Original-techn. papers.

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

• Other Models

• Here you find 318 models, 165 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Inter Electrónica, S.A., Inter-Grundig, S.A.; Barcelona