• Country
• Germany

• Manufacturer / Brand
• Koch & Sterzel AG; Dresden

• Year
• 1926/1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15416

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF with regeneration; 2 Special; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: ER534 - Koch & Sterzel AG; Dresden

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 700 x 330 x 280 mm / 27.6 x 13 x 11 inch

• Net weight (2.2 lb = 1 kg)
• 14.5 kg / 31 lb 15 oz (31.938 lb)

• Price in first year of sale
• 480.00 RM

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

• Source of data
• Radio-Quelle Leipzig. Großer Katalog 1927 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 75 models, 49 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koch & Sterzel AG; Dresden