• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

• Year
• 1958 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 168039

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

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

• Number of Tubes
• 5

• Valves / Tubes
• EC92 EC81 EC81 EC81 EL803 EW3-9V/0,2A EW3-9V/0,2A

• Number of Transistors

• Semiconductors
• B250C90 B250C90

• Wave bands
• - without

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

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Rechteckgenerator 221 - Grundig Radio-Vertrieb, RVF,

• Shape
• Tablemodel, with any shape - general.

• Notes
• Rechteckgenerator Grundig 221.
  Generator zur Erzeugung von Rechteckspannungen mit extrem kurzen Anstiegs und Abfallzeiten.
  Frequenzbereich: 59Hz bis 500kHz. 0,1 bis 0,3 Vss.

• Price in first year of sale
• 895.00 DM

• Mentioned in
• Lange, Schaltungen der Funkindustrie (Band 5, Seite 149)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Heinz Stollenwerk. See "Data change" for further contributors.

• Other Models

• Here you find 6251 models, 5496 with images and 4255 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern