Röhrengleichrichter G31

• Country
• Germany

• Manufacturer / Brand
• Ahemo-Werkstätten; Berlin-Charlottenburg:

• Year
• 1927–1930

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 13887

• Picture
• Schematics

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

• Number of Tubes
• 1

• Valves / Tubes
• 328 or R44 or GL1 329 or EW120 or WE44_Rectron

• Conflicting model year with tube data.
• The model date contradicts tube dates. [ EW120 (1928)]

• Details
• Power: Charger for A-Batteries

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Röhrengleichrichter G31 - Ahemo-Werkstätten; Berlin-

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 110 x 210 x 85 mm / 4.3 x 8.3 x 3.3 inch

• Notes

• Lädt Akkus 1-3 Zellen, max. 1,3 A.
  Das Gerät wurde für verschiedene Spannungen hergestellt, z.B. 110 V, 115 V, 120 V oder 220 V sind bekannt (nicht umschaltbar). Preis lt. Katalog 1928/29 Radio Diehr 39,-RM.

  Siehe einen ausführlicheren Text bei Ahemo-Ahenan-Alpha.

• Net weight (2.2 lb = 1 kg)
• 1.7 kg / 3 lb 11.9 oz (3.744 lb)

• Price in first year of sale
• 44.00 RM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Katalog Radio-Zentrale Prohaska 1928 / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Arlt's grosser Radiokatalog 1930

• Literature/Schematics (1)
• Katalog Radio-Diehr 1928/29

• Literature/Schematics (2)
• -- Original prospect or advert (Illustrierter Radio Katalog 1927/28)

• Other Models

• Here you find 39 models, 32 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ahemo-Werkstätten; Berlin-Charlottenburg: