• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1930/1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5577

• Number of Tubes
• 3

• Valves / Tubes
• RE034s RE034s RE114s

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Direct Current supply (DC) / 220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Protos L30G - Siemens & Halske, -Schuckert

• Dimensions (WHD)
• 470 x 360 x 180 mm / 18.5 x 14.2 x 7.1 inch

• Price in first year of sale
• 179.00 RM !

• Source of data
• Kat.Radio Arlt 1931 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• FS-Bestückungstab. (wahrsch. m.Fehler)

• Other Models

• Here you find 2523 models, 2120 with images and 1334 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München