• Country
• Germany

• Manufacturer / Brand
• Elektro-Schalt-Werk AG, Hecke, Ruhstrat & Co. (ESW); Göttingen

• Year
• 1925/1926 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 315651

• • Brand: ESW

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

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• TRF without regeneration

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 4 & 80 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: ERK - Elektro-Schalt-Werk AG, Hecke,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 115 x 100 x 185 mm / 4.5 x 3.9 x 7.3 inch

• Notes

• Der eingebaute Heizregler von 7 Ohm deutet auf die Verwendung einer Röhre mit ca. 200 mA Heizstrom hin, wie z.B. RE89 oder äquivalent.

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 19 models, 6 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Elektro-Schalt-Werk AG, Hecke, Ruhstrat & Co. (ESW); Göttingen