• Country
• Germany

• Manufacturer / Brand
• Lorenz; Berlin, Zuffenhausen u.a.

• Year
• 1925/1926

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 2912

• • Brand: SEL

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

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Selekto ERSA425 - Lorenz; Berlin, Zuffenhausen u

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 440 x 320 x 215 mm / 17.3 x 12.6 x 8.5 inch

• Notes
• 250-700 m.

• Price in first year of sale
• 200.00 RM

• Source of data
• Katalog WEGA, Stuttgart 1925 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• -- Original prospect or advert (Lorenz Werbeblatt Nr. 450)

• Literature/Schematics (1)
• - - Manufacturers Literature (Lorenz Preisliste Sept. 1926)

• Other Models

• Here you find 732 models, 586 with images and 359 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lorenz; Berlin, Zuffenhausen u.a.