• Country
• Germany

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

• Year
• 1949/1950

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 3140

• • Brand: SEL

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

• Number of Tubes
• 1

• Valves / Tubes
• UEL71

• Number of Transistors

• Semiconductors
• Tr.Gl.=Metal-rectif.

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 110/220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Power out
• 1.5 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Stuttgart S50 II - mit Sperrkreis - Lorenz; Berlin, Zuffenhausen u

• Dimensions (WHD)
• 310 x 209 x 130 mm / 12.2 x 8.2 x 5.1 inch

• Notes
• m.eingeb.Sperrkreis

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

• Price in first year of sale
• 159.00 DM

• Source of data
• Katalog Weide, 1949/50. / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (4914)

• Picture reference
• Eine Abbildung findet sich im Doppelband "Radios von gestern"

• Other Models

• Here you find 730 models, 584 with images and 353 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lorenz; Berlin, Zuffenhausen u.a.