• Year
  • 1939 ?
  • Category
  • Military Equipment (not Re, Tr or RXT)
  • Radiomuseum.org ID
  • 174858

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 1415 kHz; 1 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Storage and/or dry batteries / 24-28 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SCR-274N BC-454 - MILITARY U.S. different makers
  • Shape
  • Rack
  • Dimensions (WHD)
  • 125 x 140 x 300 mm / 4.9 x 5.5 x 11.8 inch
  • Notes
  • This compact aircraft-receiver covers frequency 3.0 to 6.0 MHz AM/CW. Control is local or remote. At the front there is a small mounting-plate which is bare in case of remote control, or which contains a volume-control, a switch on/off and a switch AM/CW. In case of remote control, there is no dial knob but a bowden-cable is connected. Power supply by dynamotor DM-32, mounted at the back of the receiver. The suffix -A or -B to the name BC-454 means a different output-transformer with an audio-output of 8000 ohms for the -A variant and 8000/600 ohms for the -B variant.
  • Net weight (2.2 lb = 1 kg)
  • 3.9 kg / 8 lb 9.4 oz (8.59 lb)
  • Source of data
  • -- Original-techn. papers.
  • Mentioned in
  • -- Original-techn. papers.
  • Literature/Schematics (1)
  • -- Other type before this -same/similar characteristics - see exchange.
  • Author
  • Model page created by Jan Terranea. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model SCR-274N is part of the collections of the following members.

 Forum