Detektor-Empfänger Friho 1

• Country
• Germany

• Manufacturer / Brand
• Friho, Fritz Hofmann AG; München und Erlangen

• Year
• 1924–1927

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

• Radiomuseum.org ID
• 14597

• • Brand: Hofmann, Fritz

• Picture
• Schematics

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

• 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
• Wooden case

• from Radiomuseum.org
• Model: Detektor-Empfänger Friho 1 - Friho, Fritz Hofmann AG;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 200 x 160 x 133 mm / 7.9 x 6.3 x 5.2 inch

• Notes
• C-Abstimmung.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• 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)
• RADIOBOTE, Österr. (Heft 15/2008, S.6 ff, Gerätebeschreibung)

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

• Other Models

• Here you find 10 models, 10 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Friho, Fritz Hofmann AG; München und Erlangen