• Country
• Sweden

• Manufacturer / Brand
• Telegrafstyrelsen, Radiobyrån (R), Stockholm

• Year
• 1950 ??

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 181529

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

• Number of Tubes
• 2

• Valves / Tubes
• ECH21 ECH21

• Main principle
• TRF with regeneration; ZF/IF none kHz; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Direct Current supply (DC) / 65 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 0.1 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Emergency Receiver ER 65 - Telegrafstyrelsen, Radiobyrån

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 242 x 183 x 83 mm / 9.5 x 7.2 x 3.3 inch

• Notes
• Wall mounted Emergency Receiver for 500 kHz, maritime distress and safety frequency. Metal front, wood cabinet. Frequency Range 400-520 kHz. Wave Type A1 and A2.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Bengt Falkenberg. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telegrafstyrelsen, Radiobyrån (R), Stockholm