• Year
  • 1934/1935
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 3354
    • Brand: Lumeta

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF with diode detector; 1 Special; 1 AF stage(s); Reflex
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 150; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Burggraf WD220a/AB1 - Lumophon, Bruckner & Stark,
  • Shape
  • Tablemodel, low profile (big size).
  • Notes
  •  
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung

 Collections | Museums | Literature

 Forum

Forum contributions about this model: Lumophon, Bruckner &: Burggraf WD220a/AB1

Threads: 1 | Posts: 1

Siehe auch: Reiter "Forum" Rundfunkempfänger/ Schaltungstechnik: Die Reflexschaltung, untersucht an dem Zweikreiser "Burggraf von Lumophon"

Hermann Freudenberg † 2006, 06.Jan.03

Weitere Posts (1) zu diesem Thema.