• Country
• Germany

• Manufacturer / Brand
• Lindström, Carl; Berlin, Köln

• Year
• 1929 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15829

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

• Number of Tubes
• 2

• Valves / Tubes
• 2NF 8NG

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 30 cm = 11.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Pantophone 550 [nur MW] - Lindström, Carl; Berlin, Köln

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

• Dimensions (WHD)
• 410 x 380 x 180 mm / 16.1 x 15 x 7.1 inch

• Notes
• 550 mit Radioteil; 551 nur NF-Teil(ohne Radio).

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Price in first year of sale
• 180.00 RM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

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

• Other Models

• Here you find 75 models, 67 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lindström, Carl; Berlin, Köln