• Country
• Switzerland

• Manufacturer / Brand
• Radio-Maxim; Aarau

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12259

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

• Number of Tubes
• 2

• Valves / Tubes
• A410 A410

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries / 60+4 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: E20 - Radio-Maxim; Aarau

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 280 x 205 x 230 mm / 11 x 8.1 x 9.1 inch

• Notes

• Rahmenempfang; 300-3200 m an Hochantenne. Die Beschreibung, die man unter Schemas findet, stammt gemäss Hochlader Adrian Riesen vom Maxim-Katalog 1925.

• Net weight (2.2 lb = 1 kg)
• 3.620 kg / 7 lb 15.6 oz (7.974 lb)

• Price in first year of sale
• 200.00 SFr

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radios von gestern, 1. Auflage

• Literature/Schematics (1)
• -- Original prospect or advert (Radio-Maxim Katalogheft EV S.5, 15. Juni 1925)

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 42 models, 34 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio-Maxim; Aarau