• Country
• Germany

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

• Year
• 1977/1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 72784

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

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

• Number of Transistors
• 16

• Semiconductors

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 9 FM circuit(s)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Alternating Current supply (AC) / 220 & 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 cm = 3.1 inch

• Power out
• 3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: sono-clock 550a - Grundig Radio-Vertrieb, RVF,

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 165 x 130 x 150 mm / 6.5 x 5.1 x 5.9 inch

• Notes

• Wecker-Radio mit Digital-Anzeige, 7 Vorwahl-Sensortasten. Empfänger: 5 ICs, 7 Dioden.

  Made in Portugal

• Net weight (2.2 lb = 1 kg)
• 1.6 kg / 3 lb 8.4 oz (3.524 lb)

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

• Author
• Model page created by Herbert Odermatt † 26.Nov.05. See "Data change" for further contributors.

• Other Models

• Here you find 6208 models, 5433 with images and 4203 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