• Country
• Germany

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1666

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

• Number of Tubes
• 5

• Valves / Tubes
• RENS1834 RENS1894 RENS1884 RENS1823d optional CY1 or V2118

• Main principle
• Superheterodyne (common); ZF/IF 135 kHz; Super, reaction, but not adjustable

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110-220 Volt

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

• Power out
• 1.7 W (max.)

• Material
• Wooden case

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

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 405 x 425 x 320 mm / 15.9 x 16.7 x 12.6 inch

• Notes
• bzw. 1822 als Gleichrichterröhre!

• Price in first year of sale
• 333.00 RM

• Source of data
• Radio-Katalog Fricke, Radio Groß-Vertrieb, 1934/35 / Radiokatalog Band 2, Ernst Erb

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

• Mentioned in
• Preisl.Radio Selektra 1934

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

• 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