• Country
• Germany

• Manufacturer / Brand
• Lumophon, Bruckner & Stark, Nürnberg

• Year
• 1935–1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 3369

• • Brand: Lumeta

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

• Number of Tubes
• 4

• Valves / Tubes
• AH1 AC2 AL1 AZ1

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

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ritter WD326 - Lumophon, Bruckner & Stark,

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

• Dimensions (WHD)
• 520 x 330 x 300 mm / 20.5 x 13 x 11.8 inch

• Price in first year of sale
• 234.00 RM

• Source of data
• Radio-Zentrale Prohaska 1936/37 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• Other Models

• Here you find 302 models, 254 with images and 200 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lumophon, Bruckner & Stark, Nürnberg