• Country
• Germany

• Manufacturer / Brand
• Kramolin; München und Berlin (AG bis 1925, dann & Co. GmbH)

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15494

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

• Number of Tubes
• 1

• Valves / Tubes
• VT126_TKD

• Main principle
• TRF with diode detector; 1 Special; 1 AF stage(s); Reaction

• Tuned circuits
• 1 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, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Pentatron RDV37 - Kramolin; München und Berlin

• Dimensions (WHD)
• 175 x 110 x 125 mm / 6.9 x 4.3 x 4.9 inch

• Notes
• Demodulation mit Kristalldetektor!

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Price in first year of sale
• 40.00 RM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 46 models, 38 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kramolin; München und Berlin (AG bis 1925, dann & Co. GmbH)