Marine Receiver STM-39-IIIA

AGA and Aga-Baltic Radio AB; Sweden

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  • Year
  • 1939
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 181681
    • alternative name: AGA-Baltic Radio AB; Stockholm

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit. / 6 & 150 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Marine Receiver STM-39-IIIA - AGA and Aga-Baltic Radio AB;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 318 x 250 x 195 mm / 12.5 x 9.8 x 7.7 inch
  • Notes
  • Usage; Marine direction finding activities at sea and mobile (special truck)operations on land. Frequency Range 1.5-3 MHz, 3-6 MHz, 6-12 MHz. Wave Type A1, A2 and A3. Supply power; Filament 6 V/1.2 A. Anode voltage minimum 100 V maximum 200 V. Typical 150 V/22 mA. Audio output speaker 6 ohm, Head phones 4000 ohm.

    Other known variants; STM-39-1A with 5 tubes straight receiver 15-290 kHz in 3 bands,STM-39-1-Special with 5 tubes straight receiver 15-290 kHz in 3 bands including external audio frequency filter unit, STM-39-IIA with 6 tubes superhetrodyn receiver 100 kHz - 1.85 MHz in 3 bands.
  • Net weight (2.2 lb = 1 kg)
  • 10 kg / 22 lb 0.4 oz (22.026 lb)
  • Source of data
  • - - Data from my own collection
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Bengt Falkenberg. See "Data change" for further contributors.

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The model Marine Receiver is part of the collections of the following members.

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