• Country
• Switzerland

• Manufacturer / Brand
• Albis, Albiswerke AG (Siemens Switzerland AG / Telefunken Zürich AG / Siemens-Albis); Albisrieden

• Year
• 1949/1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11237

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1 EM4

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 502M [Mag.Auge] - Albis, Albiswerke AG Siemens

• Dimensions (WHD)
• 424 x 290 x 195 mm / 16.7 x 11.4 x 7.7 inch

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

• Price in first year of sale
• 445.00 SFr

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

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

• Other Models

• Here you find 170 models, 146 with images and 141 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Albis, Albiswerke AG (Siemens Switzerland AG / Telefunken Zürich AG / Siemens-Albis); Albisrieden