• Country
• Switzerland

• Manufacturer / Brand
• Maxim; Aarau

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 19058

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); ZF/IF 1 kHz; 1 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Standard E3? [Einfachausführung?] - Maxim; Aarau

• Notes
• Drei Röhren im Gehäuse des E20, einem Zweiröhrengerät!

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radios von gestern, 1. Auflage

• Other Models

• Here you find 41 models, 33 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Maxim; Aarau