• Country
• Germany

• Manufacturer / Brand
• Loewe-(Opta); Deutschland

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 2625

• • alternative name: Löwe Radio

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

• Number of Tubes
• 3

• Valves / Tubes
• 4H1 or AF7 4E1 or AL4 140NG or AZ1

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 150; 220; 240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Opta 137W - Loewe-Opta; Deutschland

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

• Dimensions (WHD)
• 520 x 310 x 246 mm / 20.5 x 12.2 x 9.7 inch

• Notes

• Sparschaltung zur Verminderung der Leistungsaufnahme durch Umschaltung der Sekundärwicklung des Netztrafos.

  Entspricht Loewe RL137W.

• Net weight (2.2 lb = 1 kg)
• 14.4 kg / 31 lb 11.5 oz (31.718 lb)

• Price in first year of sale
• 163.00 RM

• Source of data
• HandB.d.d.Rundfunk-Handels 1936/37 / Radiokatalog Band 1, Ernst Erb

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

• Other Models

• Here you find 1629 models, 1368 with images and 1183 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Loewe-(Opta); Deutschland