• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1977

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 202881

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

• Number of Tubes
• 1

• Valves / Tubes
• A31-510W

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220 / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Stewardess Electronic 2722 - Graetz, Altena Westfalen

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 425 x 280 x 280 mm / 16.7 x 11 x 11 inch

• Notes
• Graetz Stewardess electronic 2722, Farbfernseh-Portable mit 31 cm Farbbildröhre. Getrennte Programmwähler für VHF und UHF. Eingeb.Telekop-Antenne. Betriebsbereit an 220 Volt Wechselspannung oder 12V-Akku. Lieferbar in den Farben braun/nußbraunfarben. Ein Gerät für die Planet UE Handelsgruppe

• Author
• Model page created by Eckhard Wegner. See "Data change" for further contributors.

• Other Models

• Here you find 782 models, 702 with images and 599 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)