• Country
• Germany

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1665

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

• Number of Tubes
• 5

• Valves / Tubes
• RENS1234 RENS1294 RENS1284 RES964 RGN1064

• Main principle
• Superheterodyne (common); ZF/IF 135 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 3 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Graetzor 34W - Graetz Radio, Berlin Treptow

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Notes
• Hexoden-Super

• Source of data
• Radiokatalog Band 2, Ernst Erb

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

• Literature/Schematics (1)
• Werbeprospekt

• 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