• Year
  • 1950–1955
perfect model
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 43894

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: S-40B - Hallicrafters, The; Chicago,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 470 x 229 x 279 mm / 18.5 x 9 x 11 inch
  • Notes
  • Hallicrafters S-40B changed the number of tubes from 9 to 8, and deleted the rear panel DC Power Input Socket and the S-Meter Socket.  The Speaker wires (2) were routed through a small hole and directly soldered in circuit.

    The S-40BS-40BU, and SC-40B were all the same except the "U" model used a Universal power transformer (120/240 volts; 25-60 Hz) for export.

    Refer to S-40 (Original) for the Guide to Identifying Hallicrafters S-40 Versions document.

    Other Original/A versions include S-40 (Original) and S-40A (Runs 1-2).

    Sears order number : 57E07456

    Coverage: 0.540-1.68, 1.68-5.4, 5.3-15.5, 15.5-44 MHz

    Cabinent design by Raymond Loewy.

    Included in New York's Museum of Modern Art collection.

    Additional Reference:
    Literature/Schematics (5): Communications Receivers.

  • Net weight (2.2 lb = 1 kg)
  • 12.1 kg / 26 lb 10.4 oz (26.652 lb)
  • Price in first year of sale
  • 89.95 USD
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 22, covering 1951
  • Literature/Schematics (1)
  • The Spectrum Monitor, June 2020, p 83-88, Adventures in Radio Restoration [S-40] by Rich Post KB8TAD

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