• Country
• Germany

• Manufacturer / Brand
• Elektro-Watt GmbH, Fabrik hochwertiger Rundfunkapparate; Dresden (s.auch Watt)

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1656

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

• Number of Tubes
• 4

• Valves / Tubes
• REN904 REN904 RE134 RGN504

• Main principle
• TRF with regeneration

• Tuned circuits
• 1 AM circuit(s)

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

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: 3137W - Elektro-Watt GmbH, Fabrik

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

• Notes

• Im Radio-Katalog 1931/32 der Firma "Anode" ist dieses Gerät schon ausschließlich unter "Graetz" gelistet.

  Siehe auch Elektrowatt 3139WL mit fest angebautem Lautsprecher.

• Price in first year of sale
• 125.00 RM

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Literature/Schematics (1)
• -- Schematic

• Other Models

• Here you find 23 models, 9 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Elektro-Watt GmbH, Fabrik hochwertiger Rundfunkapparate; Dresden (s.auch Watt)