• Country
• Germany

• Manufacturer / Brand
• Graetz Radio, Berlin Treptow SO36, Vorkrieg

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1693

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

• Number of Tubes
• 3

• Valves / Tubes
• EF12 EL11 AZ11

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Einkreiser 49W - Graetz Radio, Berlin Treptow

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

• Dimensions (WHD)
• 530 x 338 x 255 mm / 20.9 x 13.3 x 10 inch

• Notes
• Gegenkopplungsautomatik

• Net weight (2.2 lb = 1 kg)
• 11.2 kg / 24 lb 10.7 oz (24.67 lb)

• Price in first year of sale
• 129.00 RM

• Source of data
• Handbuch WDRG 1939 / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 75 models, 68 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graetz Radio, Berlin Treptow SO36, Vorkrieg