• Country
• Germany

• Manufacturer / Brand
• Hagenuk (N&K), Hanseatische App.bau-Ges., Neufeldt & Kuhnke, Nordmark

• Year
• 1934–1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 2280

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

• Number of Tubes
• 4

• Valves / Tubes
• RENS1294 RENS1284 RES964 RGN1064

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

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short 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: Torpedo 2B31W - Hagenuk N&K, Hanseatische App.

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 380 x 480 x 320 mm / 15 x 18.9 x 12.6 inch

• Notes

• Variable Bandbreite; 4-fach Drehko für 2-fach Bandfilter.  

  Original-Preis (mit Röhren) RM 248, später herabgesetzt nach RM 207.

• Net weight (2.2 lb = 1 kg)
• 15.1 kg / 33 lb 4.2 oz (33.26 lb)

• Price in first year of sale
• 248.00 RM +

• Source of data
• Kat. Schmolke, 1935/36. / Radiokatalog Band 1, Ernst Erb

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

• Mentioned in
• -- Original prospect or advert

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

• Other Models

• Here you find 178 models, 143 with images and 70 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hagenuk (N&K), Hanseatische App.bau-Ges., Neufeldt & Kuhnke, Nordmark