• Country
• Germany

• Manufacturer / Brand
• Schaub und Schaub-Lorenz

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 6292

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

• Number of Tubes
• 4

• Valves / Tubes
• RE144 RE064 RE074 or RE154 RE154 or RE134

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

• Tuned circuits
• 2 AM circuit(s)

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

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

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Neutrodyne U4 [Metall] - Schaub und Schaub-Lorenz

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 430 x 220 x 180 mm / 16.9 x 8.7 x 7.1 inch

• Notes
• umschb.Spulenkomb. [514,569]

• Price in first year of sale
• 89.00 RM

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1931/32

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

• Other Models

• Here you find 972 models, 831 with images and 690 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Schaub und Schaub-Lorenz