• Country
• Germany

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

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 5479

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

• Number of Tubes
• 5

• Valves / Tubes
• RENS1204 REN804 REN1004 RE604 RGN1054

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s)

• Tuned circuits
• 2 AM circuit(s)

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

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Protofon P141W604 - Siemens & Halske, -Schuckert

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 500 x 450 x 500 mm / 19.7 x 17.7 x 19.7 inch

• Notes
• f=Mod. 2c!

• Net weight (2.2 lb = 1 kg)
• 30 kg / 66 lb 1.3 oz (66.079 lb)

• Price in first year of sale
• 700.00 RM

• Source of data
• Katalog Radio-Zentrale Prohaska 1931/32 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

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

• Other Models

• Here you find 2522 models, 2119 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