• Country
• Germany

• Manufacturer / Brand
• Apparatewerk Marienfelde; Berlin

• Year
• 1948 ?

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 13910

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

Audio (to hear)

• Number of Transistors

• Semiconductors
• Sirutor

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Amaphon - Apparatewerk Marienfelde;

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 63 x 65 x 63 mm / 2.5 x 2.6 x 2.5 inch

• Notes

• Auf RIAS eingestellter Detektorempfänger mit Sirutor, rundes Gehäuse mit Telefonhörermuschel.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Price in first year of sale
• 19.00 RM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Historische Radios Band V (S.22, mit Bild)

• Picture reference
• Das Gerät ist im Doppelband "Historische Radios" von Günther Abele abgebildet.

• Other Models

• Here you find 3 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Apparatewerk Marienfelde; Berlin