• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1927–1930

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 13156

• Power type and voltage
• No Power needed

• Material
• Various materials

• from Radiomuseum.org
• Model: Widerstandskoppler 4001 - Philips; Eindhoven tubes

• Notes
• rund gekapselt mit Montageboden und Klemmschrauben für NF-Widerstandskopplung (z.B. für A425, A225 oder A125).

• External source of data
• E. Erb 3-907007-36-0

• Other Models

• Here you find 5233 models, 4365 with images and 3446 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt