• Country
• Germany

• Manufacturer / Brand
• Graetz, Altena (Westfalen)

• Year
• 1948/1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1717

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH4 EF9 EF9 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 220 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet. / Ø 18 cm = 7.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super 77W5 - Graetz, Altena Westfalen

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 480 x 320 x 230 mm / 18.9 x 12.6 x 9.1 inch

• Net weight (2.2 lb = 1 kg)
• 8.5 kg / 18 lb 11.6 oz (18.722 lb)

• Price in first year of sale
• 565.00 DM

• Source of data
• Das Rundfunk-Jahr 1948/49 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funk-Technik (FT) (4917)

• Other Models

• Here you find 779 models, 700 with images and 596 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz, Altena (Westfalen)